Crown Highways started working on the M25 for Connect Plus Services on 19th June 2017 and are responsible for the Maintenance of all the detection systems on the network, this includes all inductive loops and radar systems. Find out more Related PostsArea 10August 9, 2019M6 TollOctober 27, 2017Highways England Area 4 & 12October 27, 2017Highways England Area 6 & 8October 27, 2017Redflex Traffic SystemsOctober 27, 2017DynniqMay 3, 2017