{"title":"Track and Accessories","description":"","products":[{"product_id":"4d-dptsb-hon3","title":"HOn3 Narrow Gauge Cross Tie Stack","description":"\u003cp class=\"MsoNormal\"\u003e36” (91cm) Narrow Gauge Cross Tie Stack consists of 8.5\" x 6\" x 6'-6 (22cm x 15cm x 198cm) rounded side ties as used on early railroads, logging and shortlines.\u003c\/p\u003e","brand":"Fourth Dimension","offers":[{"title":"HOn3 Scale Narrow Gauge Cross Tie Stack","offer_id":45738584834293,"sku":"4D-DPTSA-HOn3","price":16.25,"currency_code":"USD","in_stock":true},{"title":"HOn3 Scale Narrow Gauge Cross Tie Partial Stack","offer_id":45738584867061,"sku":"4D-DPTSB-HOn3","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/ldW9Tiz7OK.webp?v=1752534922"},{"product_id":"4d-dpts-ho","title":"HO Scale Standard Gauge Cross Tie Stack","description":"\u003cp class=\"MsoNormal\"\u003e4’-8 ½” (144cm) Standard Gauge Cross Tie Stack consists of 10\" x 7\" x 8'-6\" (25cm x 18cm x 259cm) rounded side ties as used on early railroads, logging and shortlines.\u003c\/p\u003e","brand":"Fourth Dimension","offers":[{"title":"HO Scale Standard Gauge Cross Tie Stack","offer_id":45738628186357,"sku":"4D-DPTSA-HO","price":21.0,"currency_code":"USD","in_stock":true},{"title":"HO Scale Standard Gauge Cross Tie Partial Stack","offer_id":45738628219125,"sku":"4D-DPTSB-HO","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/qu8rMY4mpd.webp?v=1752535813"},{"product_id":"4d-dpts-n","title":"N Scale Standard Gauge Cross Tie Stack","description":"\u003cp class=\"MsoNormal\"\u003e4’-8 ½” (144cm) Standard Gauge Cross Tie Stack consists of 10\" x 7\" x 8'-6\" (25cm x 18cm x 259cm) rounded side ties as used on early railroads, logging and shortlines.\u003c\/p\u003e","brand":"Fourth Dimension","offers":[{"title":"N Scale Standard Gauge Cross Tie Stack","offer_id":45738640605429,"sku":"4d-DPTSA-N","price":9.4,"currency_code":"USD","in_stock":true},{"title":"N Scale Standard Gauge Cross Tie Partial Stack","offer_id":45738640638197,"sku":"4d-DPTSB-N","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/zytUiVFljg.webp?v=1752534768"},{"product_id":"4d-dpts-s","title":"S Scale Standard Gauge Cross Tie Stack","description":"\u003cp class=\"MsoNormal\"\u003e4’-8 ½” (144cm) Standard Gauge Cross Tie Stack consists of 10\" x 7\" x 8'-6\" (25cm x 18cm x 259cm) rounded side ties as used on early railroads, logging and shortlines.\u003c\/p\u003e","brand":"Fourth Dimension","offers":[{"title":"S Scale Standard Gauge Cross Tie Stack","offer_id":45738712006901,"sku":"4D-DPTSA-S","price":25.0,"currency_code":"USD","in_stock":true},{"title":"S Scale Standard Gauge Cross Tie Partial Stack","offer_id":45738712039669,"sku":"4D-DPTSB-S","price":16.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/Kai7nPV85h.webp?v=1752535727"},{"product_id":"4d-dpts-sn3","title":"Sn3 Scale Narrow Gauge Cross Tie Stack","description":"\u003cp class=\"MsoNormal\"\u003e36” (91cm) Narrow Gauge Cross Tie Stack consists of 8.5\" x 6\" x 6'-6 (22cm x 15cm x 198cm) rounded side ties as used on early railroads, logging and short lines.\u003c\/p\u003e","brand":"Fourth Dimension","offers":[{"title":"Sn3 Scale Narrow Gauge Cross Tie Stack","offer_id":45738767515893,"sku":"4D-DPTSA-Sn3","price":21.0,"currency_code":"USD","in_stock":true},{"title":"Sn3 Scale Narrow Gauge Cross Tie Partial Stack","offer_id":45738767548661,"sku":"4D-DPTSB-Sn3","price":12.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/Cft8suo3xW.webp?v=1749746633"},{"product_id":"gwmt-dp05","title":"Wheel Stop 6-Bolt (6 pack) HO Scale","description":"Package of Six HO Scale 1930s era 6-Bolt Wheel Stops. 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Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"4.5\" \/ Grey","offer_id":48172216942837,"sku":"MR-HH3S45-G","price":8.0,"currency_code":"USD","in_stock":true},{"title":"4.5\" \/ Black","offer_id":48172216975605,"sku":"MR-HH3S45-B","price":8.0,"currency_code":"USD","in_stock":true},{"title":"9\" \/ Grey","offer_id":46678401745141,"sku":"MR-HH3S9-G","price":10.0,"currency_code":"USD","in_stock":true},{"title":"9\" \/ Black","offer_id":46678401876213,"sku":"MR-HH3S9-B","price":10.0,"currency_code":"USD","in_stock":true},{"title":"9.75\" \/ Grey","offer_id":46678401777909,"sku":"MR-HH3S93-G","price":12.0,"currency_code":"USD","in_stock":true},{"title":"9.75\" \/ Black","offer_id":46678401908981,"sku":"MR-HH3S93-B","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/img_8286.jpg?v=1748403381"},{"product_id":"mainline-railworks-hon3-sectional-straight-track","title":"Mainline Railworks HOn3 Sectional Straight Track","description":"\u003cp\u003e\u003cstrong\u003eMainline Railworks HOn3 Straight Track\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMainline Railworks HOn3 Straight Track provides the foundation for realistic narrow gauge operations, giving modelers the flexibility to build everything from simple tabletop loops to detailed mountain railroads and modular layouts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAll straight track sections are sold individually\u003c\/strong\u003e, allowing you to build exactly the length and configuration your layout requires.\u003c\/p\u003e\n\u003cp\u003eDesigned for dependable alignment and easy expansion, these sections simplify layout construction while maintaining reliable HOn3 performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e🚂 \u003cstrong\u003eWhy This Matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStraight sections are more than connectors—they determine spacing, operational flow, and expansion possibilities throughout your railroad. Reliable sectional geometry makes planning easier and operation smoother.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e🏔 \u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTabletop and temporary layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShelf switching layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpanding starter loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYard and siding construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModular layout systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHOn3 narrow gauge sectional track\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSold per section for maximum flexibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCode 80 rail profile for reliable operation and broad compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision-fit sectional construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConsistent alignment for smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSimplifies layout planning and expansion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurable design for repeated assembly and teardown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Mainline Railworks HOn3 sectional track systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrates with Mainline Railworks HO\/HOn3 dual gauge track components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for use with HOn3 locomotives and rolling stock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with legacy Blackstone ProTraxx HOn3 sectional track geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for both temporary tabletop layouts and permanent installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e➕ \u003cstrong\u003ePairs Well With\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCurved Track Sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeeder Tracks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStarter Loop Sets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eBuilder Tip\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStraight sections are ideal for testing locomotives, creating passing sidings, and expanding existing loop configurations.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e🛠 \u003cstrong\u003eCustom Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNeed a specific length or configuration? Mainline Railworks can produce additional straight track options for specialized narrow gauge applications and unique layout requirements.\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"9\" \/ Grey","offer_id":46678406168821,"sku":"MR-H3S9-G","price":8.0,"currency_code":"USD","in_stock":true},{"title":"9\" \/ Black","offer_id":46678406234357,"sku":"MR-H3S9-B","price":8.0,"currency_code":"USD","in_stock":true},{"title":"4.5\" \/ Grey","offer_id":46678406267125,"sku":"MR-H3S45-G","price":6.0,"currency_code":"USD","in_stock":true},{"title":"4.5\" \/ Black","offer_id":46678406332661,"sku":"MR-H3S45-B","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/img_8283.jpg?v=1748403612"},{"product_id":"mainline-railworks-on30-sectional-straight-track","title":"Mainline Railworks On30 Sectional Straight Track","description":"\u003cp\u003eMainline Railworks On30 Sectional Track is compatible with Kato Unitrack (HO). Track comes complete with Code 80 rails and joiners installed. Uses standard Unitrack joiners if insulated ones are desired or a power feeder is needed (Not included). Priced per section.\u003c\/p\u003e\n\u003cp\u003eNeed a different option? Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"9\"","offer_id":46678417408245,"sku":"MR-O30S9-G","price":8.0,"currency_code":"USD","in_stock":true},{"title":"4.5\"","offer_id":46678417506549,"sku":"MR-O30S45-G","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/AF35F0E4-738A-444F-B844-C7C09CA1F2A7.jpg?v=1748405613"},{"product_id":"mainline-railworks-on30-sectional-curve-track","title":"Mainline Railworks On30 Sectional Curve Track","description":"\u003cp\u003eMainline Railworks On30 Sectional Track is compatible with Kato Unitrack (HO). Track comes complete with Code 80 rails and joiners installed. Uses standard Unitrack joiners if insulated ones are desired. Priced per section.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAngle:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 22.5 (16 per full circle)\u003c\/p\u003e\n\u003cp\u003eNeed a different option? Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"10\" \/ A: 22.5","offer_id":46678419210485,"sku":"MR-O30C10A-G","price":7.0,"currency_code":"USD","in_stock":true},{"title":"12\" \/ A: 22.5","offer_id":46678454468853,"sku":"MR-O30C12A-G","price":7.0,"currency_code":"USD","in_stock":true},{"title":"16\" \/ A: 22.5","offer_id":46753573961973,"sku":"MR-O30C16A-G","price":7.0,"currency_code":"USD","in_stock":true},{"title":"22\" \/ A: 22.5","offer_id":46678419243253,"sku":"MR-O30C22A-G","price":10.0,"currency_code":"USD","in_stock":true},{"title":"24\" \/ A: 22.5","offer_id":46678419276021,"sku":"MR-O30C24A-G","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/08A3298D-DBD4-4948-814F-EA101CF1F6D4.jpg?v=1748405572"},{"product_id":"mainline-railworks-hon30-sectional-curve-track","title":"Mainline Railworks HOn30 Sectional Curve Track","description":"\u003cp\u003eMainline Railworks HOn30 Sectional Track is compatible with Kato Unitrack (N). Track comes complete with Code 80 rails and joiners installed. Uses standard Unitrack joiners if insulated ones are desired or a power feeder is needed (Not included). Priced per section.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAngle:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: 22.5 (16 per full circle)\u003c\/p\u003e\n\u003cp\u003eNeed a different option? Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"9 \/ A: 22.5 \/ Grey","offer_id":46680125735157,"sku":"MR-HO30C9A-G","price":7.0,"currency_code":"USD","in_stock":true},{"title":"11 \/ A: 22.5 \/ Grey","offer_id":46680125833461,"sku":"MR-HO30C11A-G","price":7.0,"currency_code":"USD","in_stock":true},{"title":"18 \/ A: 22.5 \/ Grey","offer_id":46680126030069,"sku":"MR-HO30C18A-G","price":9.0,"currency_code":"USD","in_stock":true},{"title":"19 \/ A: 22.5 \/ Grey","offer_id":48141257539829,"sku":null,"price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/725F7353-ED79-42AF-940B-51E7AB65A56C.jpg?v=1748492063"},{"product_id":"mainline-railworks-hon30-sectional-straight-track-copy","title":"Mainline Railworks HOn30 Sectional Straight Track","description":"\u003cp\u003eMainline Railworks HOn30 Sectional Track is compatible with Kato Unitrack (N). Track comes complete with Code 80 rails and joiners installed. Uses standard Unitrack joiners if insulated ones are desired or a power feeder is needed (Not included). Priced per section.\u003c\/p\u003e\n\u003cp\u003eNeed a different option? Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"9\"","offer_id":46680160043253,"sku":"MR-HO30S9-G","price":8.0,"currency_code":"USD","in_stock":true},{"title":"4.5\"","offer_id":46680160141557,"sku":"MR-HO30S45-G","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/9C5B61E2-FF9E-4ABF-93FD-17FA1E37A4B0.jpg?v=1748492018"},{"product_id":"mainline-railworks-wood-bumper","title":"Mainline Railworks Wood Bumper","description":"\u003ch1 data-end=\"469\" data-start=\"412\" data-section-id=\"gzyun2\"\u003e🚧 Mainline Railworks Bumper (Multi-Gauge)\u003c\/h1\u003e\n\u003cp data-end=\"800\" data-start=\"471\"\u003eMainline Railworks Bumper Track Sections provide realistic end-of-line termination for model railroad operations across multiple scales and narrow gauge systems. Designed for operational realism and layout definition, bumper sections create clean, intentional endpoints for yard tracks, industrial spurs, and terminal operations.\u003c\/p\u003e\n\u003cp data-end=\"987\" data-start=\"802\"\u003eAvailable in On30, HO, HOm, HOn3, and HOn30 configurations, each version is engineered to maintain consistent operational reliability and integration within its respective track system.\u003c\/p\u003e\n\u003chr data-end=\"992\" data-start=\"989\"\u003e\n\u003ch2 data-end=\"1016\" data-start=\"994\" data-section-id=\"8vd3si\"\u003e🚂 Why This Matters\u003c\/h2\u003e\n\u003cp data-end=\"1209\" data-start=\"1017\"\u003eIn model railroading, track termination is often overlooked—but it defines how a layout feels operationally. Without proper end-of-line structure, layouts can appear unfinished or unrealistic.\u003c\/p\u003e\n\u003cp data-end=\"1251\" data-start=\"1211\"\u003eBumper sections solve this by providing:\u003c\/p\u003e\n\u003cul data-end=\"1415\" data-start=\"1252\"\u003e\n\u003cli data-end=\"1285\" data-start=\"1252\" data-section-id=\"jq0ld\"\u003edefined operational endpoints\u003c\/li\u003e\n\u003cli data-end=\"1311\" data-start=\"1286\" data-section-id=\"1n646ol\"\u003eimproved yard realism\u003c\/li\u003e\n\u003cli data-end=\"1355\" data-start=\"1312\" data-section-id=\"ihnb8a\"\u003esafer stopping points for rolling stock\u003c\/li\u003e\n\u003cli data-end=\"1415\" data-start=\"1356\" data-section-id=\"mbuugb\"\u003evisual completion of industrial and branchline trackage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1420\" data-start=\"1417\"\u003e\n\u003ch2 data-end=\"1453\" data-start=\"1422\" data-section-id=\"1mi9m0y\"\u003e🌍 Available Scales \u0026amp; Gauges\u003c\/h2\u003e\n\u003cp data-end=\"1538\" data-start=\"1455\"\u003eMainline Railworks bumper systems are available across multiple modeling standards:\u003c\/p\u003e\n\u003cul data-end=\"1819\" data-start=\"1540\"\u003e\n\u003cli data-end=\"1602\" data-start=\"1540\" data-section-id=\"1ontgpv\"\u003e\n\u003cstrong data-end=\"1550\" data-start=\"1542\"\u003eOn30\u003c\/strong\u003e – Narrow gauge operations on HO-scale track width\u003c\/li\u003e\n\u003cli data-end=\"1667\" data-start=\"1603\" data-section-id=\"1270tfc\"\u003e\n\u003cstrong data-end=\"1628\" data-start=\"1605\"\u003eHO (Standard Gauge)\u003c\/strong\u003e – Mainline and industrial operations\u003c\/li\u003e\n\u003cli data-end=\"1710\" data-start=\"1668\" data-section-id=\"1o37klu\"\u003e\n\u003cstrong data-end=\"1677\" data-start=\"1670\"\u003eHOm\u003c\/strong\u003e – Meter gauge modeling systems\u003c\/li\u003e\n\u003cli data-end=\"1753\" data-start=\"1711\" data-section-id=\"lcege5\"\u003e\n\u003cstrong data-end=\"1721\" data-start=\"1713\"\u003eHOn3\u003c\/strong\u003e – 3-foot narrow gauge systems\u003c\/li\u003e\n\u003cli data-end=\"1819\" data-start=\"1754\" data-section-id=\"1g77hpj\"\u003e\n\u003cstrong data-end=\"1765\" data-start=\"1756\"\u003eHOn30\u003c\/strong\u003e – Micro\/narrow gauge systems on N-scale track width\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1919\" data-start=\"1821\"\u003eEach version is designed to match the geometry and operational standards of its respective system.\u003c\/p\u003e\n\u003chr data-end=\"1924\" data-start=\"1921\"\u003e\n\u003ch2 data-end=\"1944\" data-start=\"1926\" data-section-id=\"dw11pr\"\u003e🔧 Key Features\u003c\/h2\u003e\n\u003cul data-end=\"2266\" data-start=\"1945\"\u003e\n\u003cli data-end=\"1995\" data-start=\"1945\" data-section-id=\"d6hrwt\"\u003eRealistic bumper-style end-of-line termination\u003c\/li\u003e\n\u003cli data-end=\"2041\" data-start=\"1996\" data-section-id=\"ticgyf\"\u003ePrecision-matched geometry for each scale\u003c\/li\u003e\n\u003cli data-end=\"2095\" data-start=\"2042\" data-section-id=\"pc6g2s\"\u003eEnhances yard, industrial, and branchline realism\u003c\/li\u003e\n\u003cli data-end=\"2145\" data-start=\"2096\" data-section-id=\"1bloy9y\"\u003eSupports both temporary and permanent layouts\u003c\/li\u003e\n\u003cli data-end=\"2199\" data-start=\"2146\" data-section-id=\"1yshzkl\"\u003eDurable construction for repeated layout assembly\u003c\/li\u003e\n\u003cli data-end=\"2266\" data-start=\"2200\" data-section-id=\"1ipqjea\"\u003eDesigned for seamless integration with sectional track systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2271\" data-start=\"2268\"\u003e\n\u003ch2 data-end=\"2299\" data-start=\"2273\" data-section-id=\"dchllk\"\u003e⚙️ System Compatibility\u003c\/h2\u003e\n\u003ch3 data-end=\"2341\" data-start=\"2301\" data-section-id=\"otoob3\"\u003eUniversal Track System Compatibility\u003c\/h3\u003e\n\u003cp data-end=\"2453\" data-start=\"2342\"\u003eMainline Railworks bumper sections are designed to integrate within each scale’s corresponding track ecosystem.\u003c\/p\u003e\n\u003ch3 data-end=\"2672\" data-start=\"2637\" data-section-id=\"1tg7xpz\"\u003eCross-System Design Philosophy:\u003c\/h3\u003e\n\u003cp data-end=\"2826\" data-start=\"2673\"\u003eAll bumper systems are engineered using consistent layout logic to ensure each scale version behaves predictably within its respective track environment.\u003c\/p\u003e\n\u003chr data-end=\"2831\" data-start=\"2828\"\u003e\n\u003ch2 data-end=\"2850\" data-start=\"2833\" data-section-id=\"1wvl7ol\"\u003e🏔 Perfect For\u003c\/h2\u003e\n\u003cul data-end=\"3060\" data-start=\"2851\"\u003e\n\u003cli data-end=\"2884\" data-start=\"2851\" data-section-id=\"1856n9e\"\u003eYard track termination points\u003c\/li\u003e\n\u003cli data-end=\"2923\" data-start=\"2885\" data-section-id=\"1ln87g1\"\u003eIndustrial spurs and loading areas\u003c\/li\u003e\n\u003cli data-end=\"2959\" data-start=\"2924\" data-section-id=\"k8vq4j\"\u003eLogging and mining branch lines\u003c\/li\u003e\n\u003cli data-end=\"2988\" data-start=\"2960\" data-section-id=\"1naqu5v\"\u003eCompact tabletop layouts\u003c\/li\u003e\n\u003cli data-end=\"3018\" data-start=\"2989\" data-section-id=\"1ivuu8j\"\u003eSwitching-focused layouts\u003c\/li\u003e\n\u003cli data-end=\"3060\" data-start=\"3019\" data-section-id=\"ei3kas\"\u003eModular and portable railroad systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3065\" data-start=\"3062\"\u003e\n\u003ch2 data-end=\"3087\" data-start=\"3067\" data-section-id=\"4z3zmh\"\u003e➕ Pairs Well With\u003c\/h2\u003e\n\u003cul data-end=\"3329\" data-start=\"3088\"\u003e\n\u003cli data-end=\"3138\" data-start=\"3088\" data-section-id=\"58z7uf\"\u003eStraight track sections (yard leads and spurs)\u003c\/li\u003e\n\u003cli data-end=\"3188\" data-start=\"3139\" data-section-id=\"19cjwhh\"\u003eCurved track sections (branchline approaches)\u003c\/li\u003e\n\u003cli data-end=\"3238\" data-start=\"3189\" data-section-id=\"m3s7jh\"\u003eFeeder track sections (terminal power points)\u003c\/li\u003e\n\u003cli data-end=\"3291\" data-start=\"3239\" data-section-id=\"uq8wfo\"\u003eStarter loop systems (layout expansion upgrades)\u003c\/li\u003e\n\u003cli data-end=\"3329\" data-start=\"3292\" data-section-id=\"xxtxhv\"\u003eFuture switching and yard modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3334\" data-start=\"3331\"\u003e\n\u003ch2 data-end=\"3353\" data-start=\"3336\" data-section-id=\"h6egkm\"\u003e⚠️ Builder Tip\u003c\/h2\u003e\n\u003cp data-end=\"3531\" data-start=\"3354\"\u003eBumper sections are most effective when used to define intentional operational endpoints such as yards, industrial customers, or branchline termini—not continuous mainline runs.\u003c\/p\u003e\n\u003ch2 data-section-id=\"5ladr5\" data-start=\"3121\" data-end=\"3150\"\u003e🛠 Custom Options\u003c\/h2\u003e\n\u003cp 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They allow trains to transition between visible and hidden sections, simulate real mountain railroading, and add vertical storytelling to otherwise flat layouts.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e📐 \u003cstrong\u003eTunnel Geometry Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMainline Railworks tunnel track is designed to integrate seamlessly with the same geometry system used throughout all HOn3 sectional track components.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e🟡 \u003cstrong\u003eStraight Tunnel Sections\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSold per section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUsed for direct entry\/exit routing through terrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for staging transitions and hidden return loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides clean alignment through scenic terrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e🔵 \u003cstrong\u003eCurved Tunnel Sections\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCurved tunnel track is available in multiple radius and angle configurations to match layout geometry and ensure smooth transitions through mountainous terrain.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSold per section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMix and match to create custom curves and tunnel lengths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e📏 \u003cstrong\u003eRadius Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCurved tunnel sections are available in multiple radii to support:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompact tabletop layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShelf railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMining and logging branch lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge scenic mountain mainlines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmaller radii are ideal for tight terrain routing, while larger radii provide smoother, more prototypical mountain rail appearance.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e📐 \u003cstrong\u003eAngle Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCurved tunnel sections are offered in the following configurations:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA — 22.5° sections (16 per full circle)\u003c\/strong\u003e\u003cbr\u003eBalanced geometry for most layouts and smooth directional changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eB — 11.25° sections (32 per full circle)\u003c\/strong\u003e\u003cbr\u003eFine adjustment geometry for precise layout design and smooth transitions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eC — 45° sections (8 per full circle)\u003c\/strong\u003e\u003cbr\u003eIdeal for compact layouts and rapid directional changes in tight terrain.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e🏔 \u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMountain narrow gauge railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLogging and mining operations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScenic shelf layouts with elevation changes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHidden staging loops and return tracks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact tabletop and floor layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpanding starter loops into scenic railroads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStraight and curved tunnel track sections available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSold individually for maximum layout flexibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision-matched HOn3 sectional geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeamless integration with visible track systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for both hidden and scenic routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports modular layout expansion and terrain modeling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e🛠 \u003cstrong\u003eCustom Tunnel Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCustom tunnel radius and geometry configurations may be available upon request for specialized layout designs, prototype modeling, or unique scenic applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Mainline Railworks HOn3 sectional track (Code 80 rail)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorks with HO\/HOn3 dual gauge systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with legacy Blackstone ProTraxx HOn3 geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrates with straight, curved, feeder, and bumper track systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for temporary, modular, and permanent layouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e🚇 \u003cstrong\u003ePortal Clearance Standard\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTunnel portals are designed in accordance with NMRA clearance standards 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Track comes complete with Code 80 rails and joiners installed. Uses standard Unitrack joiners if insulated ones are desired or a power feeder is needed (Not included). Priced per section.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eAngle:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eA: 22.5 (16 per full circle)\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eSide:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eIndicates which rail is shared. For a full circle, all 16 need the shared rail on the same side. For S curves, the shared rail will need to swap sides to be continuous. Even with the dual gauge, sections can be flipped end for end to put the narrow gauge on the correct side without, however, consideration will need to be taken when planning any layout to select the appropriate track sections. Also, one half joiner can be removed allowing the track section to connect directly with either Narrow gauge (Blackstone Protraxx), or standard gauge (Kato Unitrack) sections.\u003c\/p\u003e\r\n\u003cp\u003eNeed a different option? Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"19\" \/ A - Right","offer_id":47582683758837,"sku":"MR-HH30RC19A-GRY","price":11.0,"currency_code":"USD","in_stock":true},{"title":"19\" \/ A - Left","offer_id":47582683791605,"sku":"MR-HH30LC19A-G","price":11.0,"currency_code":"USD","in_stock":true},{"title":"22\" \/ A - Right","offer_id":47582683955445,"sku":"MR-HH30RC22A-G","price":12.0,"currency_code":"USD","in_stock":true},{"title":"22\" \/ A - Left","offer_id":47582683988213,"sku":"MR-HH30LC22A-G","price":12.0,"currency_code":"USD","in_stock":true},{"title":"24\" \/ A - Right","offer_id":47582684152053,"sku":"MR-HH30RC24A-G","price":13.0,"currency_code":"USD","in_stock":true},{"title":"24\" \/ A - Left","offer_id":47582684184821,"sku":"MR-HH30LC24A-G","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/D11D8FF2-988D-45CB-9AAA-82C0653BB15B.jpg?v=1770088165"},{"product_id":"mainline-railworks-ho-hon30-sectional-straight-feeder-track","title":"Mainline Railworks HO\/HOn30 Sectional Straight Feeder Track","description":"\u003cp\u003eMainline Railworks HO\/HOn30 Dual Gauge Sectional Track is compatible with Kato Unitrack (HO) and HOn30 (N). Track comes complete with Code 80 rails and joiners installed. Uses standard Unitrack joiners if insulated ones are desired. Priced per section.\u003c\/p\u003e\r\n\u003cp\u003eEven with the dual gauge, straight sections can be flipped end for end to put the narrow gauge on the correct side without issue. Also, one half joiner can be removed allowing the track section to connect directly with either Narrow gauge, or standard gauge sections.\u003c\/p\u003e\r\n\u003cp\u003eNeed a different option? Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"9\"","offer_id":47582685987061,"sku":"MR-HH30SF9-G","price":16.0,"currency_code":"USD","in_stock":true},{"title":"9.75”","offer_id":47582686085365,"sku":"MR-HH30SF93-G","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/172E7205-564C-41A5-A589-053903C76C9D.jpg?v=1770088294"},{"product_id":"mainline-railworks-ho-hon30-dual-gauge-sectional-straight-track","title":"Mainline Railworks HO\/HOn30 Dual Gauge Sectional Straight Track","description":"\u003cp\u003eMainline Railworks HO\/HOn30 Dual Gauge Sectional Track is compatible with Kato Unitrack (HO) and N (HOn30). Track comes complete with Code 80 rails and joiners installed. Uses standard Unitrack joiners if insulated ones are desired or a power feeder is needed (Not included). Priced per section.\u003c\/p\u003e\n\u003cp\u003eEven with the dual gauge, straight sections can be flipped end for end to put the narrow gauge on the correct side without issue. Also, one half joiner can be removed allowing the track section to connect directly with either Narrow gauge, or standard gauge sections.\u003c\/p\u003e\n\u003cp\u003eNeed a different option? Feel free to contact us!\u003c\/p\u003e","brand":"Mainline Products","offers":[{"title":"9\"","offer_id":47585215807733,"sku":"MR-HH30S9","price":10.0,"currency_code":"USD","in_stock":true},{"title":"9.75\"","offer_id":47585215840501,"sku":"MR-HH30S93","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/7CC26146-A24E-4FA0-B45C-F9032B142399.jpg?v=1770148519"},{"product_id":"4thd-s1tcb001","title":"N Scale Standard Gauge Cross Tie Stack \u0026 Cross Tie Partial Stack Combo","description":"Standard Gauge  4’-8 ½” (144cm) \r\u003cdiv\u003e\r\u003c\/div\u003e\u003cdiv\u003eCross Tie Stack consists of 10\" x 7\" x 8'-6\" (25cm x 18cm x 259cm) rounded side ties as used on early railroads, logging and shortlines.\u003c\/div\u003e\n\u003ch3 style=\"font-weight:bold;margin-top:1em;margin-bottom:0.5em;\"\u003eThis 3d printed kit includes the following parts:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1x 4THD-S1TSA002 N Scale Standard Gauge Cross Tie Partial Stack Rev 0 (ABS, 16.6 × 16.7 × 6.8 mm)\u003c\/li\u003e\n\u003cli\u003e1x 4THD-S1TSA001 N Scale Standard Gauge Cross Tie Stack Rev 0 (ABS, 16.7 × 16.6 × 14.5 mm)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fourth Dimension","offers":[{"title":"Default Title","offer_id":47979554144501,"sku":"4THD-S1TCB001-160","price":13.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/5448142d3_ComboTieStack.jpg?v=1776048174"},{"product_id":"oosm-1gmct","title":"18\" Gauge Mine Car Turn Table","description":"This is a very simple 18\" gauge ore car turntable, based off of one used\n at the Dew Drop Mine near Boulder, Colorado. Large enough to fit inside\n a mine and spin a small mine car. This is meant for static, un-powered \ntrack, however the turntable does spin.  Compatible with Grandt Line's \nstatic 18\" gauge track.  Includes 3 Turntables and their Bases\n\nThis 3d printed kit includes the following parts:1:48 - O Scale:\n3x 18in gauge turntable O base (ABS, 23.3 × 23.3 × 3.1 mm)\n3x 18in gauge turntable top O (ABS, 23.3 × 23.3 × 3.9 mm)\n1:64 - S Scale:\n3x 18in gauge turntable S base (ABS, 17.5 × 17.5 × 2.3 mm)\n3x 18in gauge turntable top S (ABS, 17.5 × 17.5 × 2.9 mm)\n1:87 - HO Scale:\n3x Ore Car Turntable Base HO (ABS, 12.8 × 12.8 × 1.7 mm)\n3x Ore Car Turntable Top HO (ABS, 12.8 × 12.8 × 2.2 mm)\n","brand":"Oquirrh \u0026 Ontonagon Scale Mining Supply","offers":[{"title":"1:48","offer_id":48058466697461,"sku":"OOSM-1GMCT-48","price":10.99,"currency_code":"USD","in_stock":true},{"title":"1:64","offer_id":48058466730229,"sku":"OOSM-1GMCT-64","price":5.99,"currency_code":"USD","in_stock":true},{"title":"1:87","offer_id":48058466762997,"sku":"OOSM-1GMCT-87","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0343\/3717\/files\/3016a658e_orecarturntable.png?v=1776938496"}],"url":"https:\/\/3dptrain.com\/collections\/track-and-accessories.oembed?page=2","provider":"3Dp Train","version":"1.0","type":"link"}