Clapham Junction 'A'

Technical drawing numbers
 Record of amendments
R74AMechanical locking table
R74BElectrical locking table
R74DDog chart
 Signal box diagram

A replacement non-standard LSWR box was built here in January 1912. A Westinghouse power frame was installed in May 1936.

The diagram below is a low-resolution version to indicate the content: a full-resolution 'pdf' file will be published in November 2009 on a CD-ROM entitled 'Southern Railway Signal Box Diagrams - Sections M, N & R'. For availability and ordering information, click on the image below.

This page last updated on 7th October 2009.