Railroad Forums 

Discussion related to commuter rail and rapid transit operations in the Chicago area including the South Shore Line, Metra Rail, and Chicago Transit Authority.

Moderators: metraRI, JamesT4

 #692449  by metra104
 
At The LaSalle Street Station, there are three lights at the end of tracks 1-8 and i know that green means go and red means stop but when i saw the clear light i was wondering what the clear light meant? can anyone fill me in on the clear light?
 #692513  by doepack
 
Clear = Lunar signal. Proceed at restricted speed...
 #692533  by metraRI
 
I think the lights being referred to are these:
Image
Which don't have anything to do with signals. I'm really not positive what these are used for, my guess is something to do with plugging into station power.