A section of the A405 has been shut due to a vehicle fire.
Traffic providor Inrix says the the dual carriageway is closed in both directions between Tippendell Lane and the Park Street roundabout, near Chiswell Green.
Hertfordshire Highways says it is due to a vehicle fire, with Hertfordshire Fire & Rescue and Hertfordshire Constabulary both on scene.
Some buses are being diverted.
Incident: Road Closed A405 North Orbital Road, #ChiswellGreen. This is due to a vehicle fire. Police and fire are on the scene. Services 250 and 635 will be diverting. Please contact @unobus or @nationalexpress for boarding infomation.
— Passenger Transport (@Intalink) February 12, 2020
Motorists are being told to find alternative routes.
Watling Street in Park Street towards the Park Street roundabout is queueing as a result of the A405 closure.
All other local roads are coping well for now.
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