RAILROAD SIGNALS of the U.S.
RAILFAN GUIDES HOME
RAILROAD SIGNALS HOME
On this page you will find chroma charts for various services such as the railroads, aviation, marine, etc. The first chart gives you an idea of the colors, where they are on the chart, what their wavelength is in relation to the color, and the fact that as we go in towards the center, things get progressively whiter.
AAR chroma chart for the railroad industry.
Last Modified 01-Sep-2013