A 1m narrow gauge single track tunnel based on those used in the United States in the late 1800's to early 1900's.
This tunnel is based on the standard gauge version (KUID 55396:38000) which it requires in order to function.
This tunnel requires Mike Banfield's (aka Mike10) 'MB_NG_Track_1m_new' track (KUID 35412:38108) which can be obtained from the Auran Download Station or from Mike's web site: http://www.mbanfield.pwp.blueyonder.co.uk/trainz/index.html