The road is blocked in both directions due an emergency services incident.
Routes Affected: 142, 258
From Chalk Hill at Aldenham Road, L Alderham Road, A Hartspring Lane, R Hartswood roundabout, L A41 Elton Way, A A41 Tylers Way, circumnavigate the roundabout, L Elstree Road, L High road LOR. Both directions.
Diversion Reference: D35730