A3 traffic updates

Live incidents, delays and roadworks on the A3 - South west London to Portsmouth. Data comes straight from National Highways and refreshes every couple of minutes.

National Highways map

0 live alerts

Other National Highways routes

M25

London orbital motorway

North London to the Midlands

West London to Heathrow and the West

M11

North east London to Stansted and Cambridge

M20

South east to the Channel ports

M23

South to Gatwick and the coast

A1(M)

North London to the North

A2 / A282

Dartford Crossing and Kent

A40

West London to Oxford