Address: Gloucestershire Archives, Clarence Row, Alvin Street , Gloucester, GL1 3DW
The collection "search" page is: http://ww3.gloucestershire.gov.uk/DServe/DServe.exe?dsqIni=DServeA.ini&dsqApp=Archive&dsqDb=Catalog&dsqCmd=Search.tcl
Archon Code: 40
Go to "search the archives only" on the above webpage.
There are a substantial number of motorway-related items (M32, M4, M5 and M50) at this Record Office.