This data set covers 877 structures within the Greater London boundary / M25 comprising of low bridges, tunnels and road barriers in a .csv file which will be updated annually.
It is available in our Roads data bucket under the folder /Bridges - restrictions.
The data contains the following variables:
Variable
Description / value
Height restriction(m)
• Up to 3.0
• Between 3.1 and 3.5
• Between 3.6 and 4.0
• Between 4.1 and 4.5
• Between 4.6 and 5.1
Height restriction (imperial)
• Up to 9'10"
• Between 9'10" and 11'6"
• Between 11'9" and 13'0"
• Between 13'3" and 14'9"
• Between 15'0" and 16'6"
Easting
X-coordinate
Northing
y-coordinate
Grid Reference
Grid reference value
Lat
Latitude value
Lng
Longitude value
Borough
Borough name
Road name
Road name
Road number
Road Number
TLRN [Red route]?
• Yes = restriction is located on TLRN
• No = sign is NOT located on TLRN
(TLRN = Transport for London Road Network Area = Red Route, road network controlled by TfL)
Comments
Additional information