having a dedicated rail bogie assembly that stayed in the rail yard, as seen today. Triple Crown, a subsidiary of Norfolk Southern Railway, remains a user of RoadRailer transportation as of 2022. Users Roadrailers have been used in: United States and still are. British Rail introduced RoadRailers on the East Coast Main Line between London, Newcastle and Edinburgh in 1964 Australian National commenced operating a trial RoadRailer service on the Adelaide to Alice Springs line in August 1990. However a permanent service did not begin until 1993 with the introduction of an Adelaide to Perth service in a joint venture with National Rail under the Trailerail brand. Contractual difficulties saw the service cease until resuming in November 1994. It was extended to Melbourne in November 1995. Austria Brazil Canada on Canadian National, previously run on Canadian Pacific New Zealand experimental and discontinued Indian Railways introduced in October 2018 between Tamil Nadu and Palwal See also Containerization Intermodal container Modalohr Nicky Line – Where some test of a road-railer bus were carried out in the 1930s Piggyback (transportation) Road-rail vehicle Rolling highway References Bibliography External links A view of the tailgate end of an Amtrak Mark V RoadRailer; photographed in Winslow, Arizona in March, 1999 Freight rolling stock Intermodal containers Rail and road vehicle