A systematic approach to choosing colors can help us find a lineup effective for color coding. Occasionally ... The transitions from red to yellow to green and so on are uneven, breaking the ...

Amtrak is adding color coding at the entries to its railcars to guide passengers to the correct location to board its trains.

Passengers have noticed something else on Amtrak trains in recent times, and that's new colors on the trains. We'll take a look at the latest advancements to the new Phase Livery ...