This dataset will no longer be updated. Selected key performance indicators on the TFL Road Network. Number of hours of Serious and Severe Disruption on the road network by planned and unplanned status, journey time reliability, and total number of works undertaken on the road network. TLRN = TFL Road Network The maximum permissibile total number of road works allowed on the TLRN was capped at 3,250 for any one period, in Period 1 of 2...

Road lengths in miles, by road class for each local authority and region of Great Britain since 2005. Includes, Motorways, Trunk roads, Principal roads, and Minor roads - both Rural and Urban.   Using the National Roads Database from the Department for Transport (DFT). https://www.gov.uk/government/statistical-data-sets/rdl01-road-lengths-miles