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

  by rail10
 
How chicago l cars go from cab to block signal areas and what methods are used to make this possible?
  by doepack
 
Hopefully, this section of chicago-l.org will have the answers you need...