New work between London and Gidea Park includes important areas worked by relay interlocking and improvements to facilitate running of accelerated services; route relay interlocking signal boxes substituted for mechanically worked boxes. (See also - n 24 Dec 15 1950 p 544-8, 544A)
Signaling for eastern region electrification
Ry Gaz
Railway Gazette ; 93 , n 25
1950
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Electrification from Shenfield to Chelmsford and Southend, Eastern Region
Engineering Index Backfile | 1955
North-eastern railway electrification
Engineering Index Backfile | 1922
North eastern railway electrification
Engineering Index Backfile | 1916
Electrification work in eastern Canada
Engineering Index Backfile | 1913
Southern region electrification
Engineering Index Backfile | 1962
|