South West

How busy are roads in Wiltshire?

Useful summaries from 526 official DfT count locations. Figures are historical annual estimates, not live traffic.

Explore on the mapLatest available year: 2025
Typical daily traffic3,273motor vehicles at a count point
Major-road median12,428motor vehicles / average day
Minor-road median868sampled locations only
Latest row counted57%other latest rows are estimated
Understanding the numbers

Traffic varies sharply by road type

The typical major-road point in Wiltshire carries 12,428 motor vehicles on an average day, compared with 868 at sampled minor-road locations.

Minor-road coverage is selective, so quieter residential streets may not have their own count point. Use the map to see the exact measured or estimated location rather than treating this as a street-by-street census.

Combined vehicle composition

Cars
79.0%
Vans / LGVs
15.5%
HGVs
4.3%
Buses
0.5%
Motorcycles
0.7%
Cycles
0.4%
Percentages combine the latest motor-vehicle estimates at available count points. Pedal cycles are shown separately by DfT.

Busiest available links in Wiltshire

RoadAverage daily motor vehiclesYearMethod
M4 89,1442025Counted
M4 82,9872025Counted
M4 82,8602025Counted
M4 80,4212025Counted
A350 58,8722004Estimated

Quietest available measured or estimated links

RoadAverage daily motor vehiclesYearMethod
U 232008Counted
U 262025Estimated
C 402009Counted
U 412019Estimated
U 432008Counted