Motorists faced nightmare journeys as long tailbacks formed between Welwyn Garden City and Hertford.

Welwyn Hatfield Times: Long tailbacks on the A414Long tailbacks on the A414 (Image: Archant)

A traffic jam miles long clogged up the A414 last night (Tuesday).

The gridlock was thought to be as a result of drivers seeking other routes after a lorry flipped over and burst into flames on the M25 yesterday.

The driver died in the blaze, near to Junction 23 of the motorway.