M25 motorway Europe's second longest orbital road after the Berliner Ring, which is . Originally built almost wholly as a dual three-lane motorway, much of the motorway has been widened: to dual four lanes for almost half, to a dual five-lanes section between junctions 12 and 14 and a dual six-lane section between junctions 14 and 15. Further widening is in progress of minor sections with plans for managed motorways in many others. To the east of London the two ends of the M25 are joined to complete a loop by the non-motorway A282 Dartford Crossing of the River Thames between Thurrock
London Borough of Havering private rented housing in Havering is the most affordable of any London borough. Named neighbourhoods are the developments of Ardleigh Green, Chase Cross, Collier Row, Elm Park, Harold Hill, Rainham. The borough's exurbs with green buffers of farmland or parkland are: The M25 motorway forms part of the borough boundary to the east with North Ockendon the only settlement to fall outside. The A12 (near Romford) and the A13 (near Rainham) are the main trunk radial routes from central London and are located to the north and south of the borough respectively. The A127 trunk route to Southend begins at