At Brayton Avenue, west of station at Providence, RI, New York, New Haven and Hartford has installed large all relay electric interlocking, control of which is in same machine with similar plant installed in 1943 east of station, so that one machine now controls extensive track layout more than 1.8 mi. long; special features are use of plug-in relays, good construction of underground and aerial cables and special circuits to minimize number of wires.
New Haven installs all-relay interlocking at Providence, RI
Ry Signaling
Railway Signaling ; 40 , n 11
1947
6 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Western Indiana installs all-relay interlocking
Engineering Index Backfile | 1935
New all-relay interlocking at providence, R. I., on New Haven
Engineering Index Backfile | 1944
Pacific electric installs large all-relay interlocking
Engineering Index Backfile | 1943
S.P. and S. Installs all-relay interlocking
Engineering Index Backfile | 1946
Canadian National installs large all-relay electric interlocking
Engineering Index Backfile | 1943