Motorists travelling on the A1 (M) northbound at lunchtime today are being warned to expect delays between junction 3 with the A414 for St Albans and junction 4 for Hertford because of a broken down vehicle that is causing queuing traffic.

Motorists travelling on the A1 (M) northbound at lunchtime today are being warned to expect delays between junction 3 with the A414 for St Albans and junction 4 for Hertford because of a broken down vehicle that is causing queuing traffic.