R172 Single Distant Signal. Measuring at a height of 121mm, the yellow arms signify 'distant' or 'caution', and are seen prior to signals with red arms. If your railway layout...
R171 Single Home Signel. Measuring at a height of 121mm, the red arms are often seen prior to signals with yellow arms, which signify 'distant' or 'caution'. If your railway...
R170 Junction Distant Signal. The Junction Distant Signal represents the type of signal used on the approach to points. The taller signal controls the main line whereas the yellow arms...
