Annual road traffic estimates
Annual road traffic estimates are mainly based on around ten thousand manual counts, which are combined with Automatic Traffic Counters (ATC) data and road lengths to produce overall estimates.
Manual counts take place on major roads (motorways and ‘A’ roads) and minor roads (‘B’,’C’ and unclassified) where trained enumerators count vehicles of each of eleven types (pedal cycles, two-wheeled mot...Annual road traffic estimates
Annual road traffic estimates are mainly based on around ten thousand manual counts, which are combined with Automatic Traffic Counters (ATC) data and road lengths to produce overall e...