Highways bosses have spent £20,000 on a traffic information sign to keep motorists informed.
It went up on Hemel Hempstead’s Redbourn Road last month and is part of the new Herts Highways Integrated Transport Control Centre.
CCTV and automatic traffic and journey time counters are used to monitor traffic speeds and identify congestion. Traffic lights can be adjusted to help get vehicles moving and messages put on signs to inform motorists of what is causing the delay and offer alternative routes.
Find out more about the Integrated Transport Control Centre by clicking here