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T-TRAK (all letters capitalized) is a modular model railroad system based on standards for module size, track placement, track interface, and electrical connections. The standards allow for a wide range of flexibility in design yet still maintain interoperability with all modules built per the standards.
For 00 therefore the track is about 12.5% narrower than it should be for the scale used. EM and P4 standards correct this anomaly by adopting a wider track gauge. The globally more-widespread international NEM and NMRA scale standards are relatively rare in Great Britain and used almost exclusively by those modelling foreign prototypes.
NTRAK (all upper case letters) is one of several model railroad module standards. It is the most popular standard for use in United States N scale . NTRAK allows modelers to participate in a large layout but only invest a small amount of space at their own home.
Z-Bend Track, [20] uses a double-track mainline running down both sides of a module. Modules can be of any length or width in the middle and any overall shape. The "standard" called Z-Bend Track applies only to the last 5 inches (130 mm) of the module's interface to other modules, the electrical interface and the module height.
Print/export Download as PDF; ... Pages in category "Rail transport modelling standards" The following 6 pages are in this category, out of 6 total. ... T-TRAK This ...
In Track Warrant Control, or TWC, the train dispatcher issues "track warrants" via radio that authorize the train between two specified limits. The limits are often mileposts or stations. The track warrant may authorize a train to proceed to a station and "clear the main" or enter a siding so an oncoming train can pass.
A track geometry car (also known as a track recording car) is an automated track inspection vehicle on a rail transport system used to test several parameters of the track geometry without obstructing normal railroad operations. Some of the parameters generally measured include position, curvature, alignment of the track, smoothness, and the ...
The Australian Model Railway Association has a set of standards based on FREMO called the "AMRA Free Form Module Standard." Version 2.4 of the standard was published in July 2024. As of 2024 [update] , there are standards for HO and N Scales, with an O Scale version under development in collaboration with the Aus7 O Scale Modeller's Group.