Protection is improved at 11 crossings on heavy traffic suburban line in Chicago area, where manually operated mechanical gates are being replaced by automatically controlled electric gates with flashing light signals.
Length of train selects control of crossing gates on Illinois Central
Ry Signaling Communications
Railway Signaling and Communications ; 49 , n 12
1956
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Automatic crossing gates on Illinois Central
Engineering Index Backfile | 1933
Illinois Central train shed at Chicago
Engineering Index Backfile | 1892
Good roads train, Illinois Central R. R.
Engineering Index Backfile | 1901
Engineering Index Backfile | 1898