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A138

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A138
Location Map ( geo)
Cameraicon.png View gallery (6)
From:  Chelmsford (TL713060)
To:  Boreham (TL739094)
Distance:  2.8 miles (4.5 km)
Meets:  A1114, A1060, B1009, B1137, A130, A12, B1137
Former Number(s):  A12
Highway Authorities

Highways England • Essex

Traditional Counties

Essex

Route outline (key)
A138 Chelmsford - Boreham
This article is about the current A138 in Chelmsford.
For the original A138, a road linking Ipswich to the coastal village of Shotley Gate, see A138 (Ipswich - Shotley Gate)
.


The A138 runs along one of the old alignments of the A12 (the first bypass of Chelmsford, dating to the 1930s) to the north of Chelmsford city centre. It gained that number when the A12 was moved to its current route in the 1980s.

Footbridge over the A138

The road starts at the Army and Navy Roundabout where it meets the A1060 from the city centre and the A1114 which forms the ex-A12 from the south and then goes on to the east. The A138 heads north. It crosses a rather ornate bridge over the River Chelmer (the Chelmer Viaduct) before reaching a roundabout by a retail park.

At the next roundabout, which is residential, the A138 becomes dual carriageway. There is a GSJ with the B1137 (the original route of the A12) and then runs parallel to the railway line. It goes under the A130 but has no junction with it.

The next turn-off runs straight onto the northbound A12 and the A138 bears right to end at the dumbbell roundabout forming part of the GSJ at Boreham Interchange (J19). There is access here to the A130 seen earlier and both directions of the A12. Ahead is the B1137, still on the original line of the main road.

In 2014, the Chelmer Viaduct section of the road was trunked, so that the Highways Agency could pay for a replacement viaduct (that was originally built by the MOT as this was part of the London-Gt Yarmouth Trunk Road).

Links


Videos

Army and Navy Flyover Removal

Full video showing the removal of the Army and Navy Flyover, Chelmsford. After being a feature of Chelmsford’s skyline for more than 40 years, works to remove the flyover over the Army and Navy Roundabout were completed in April 2020. Work started in February 2020 with the steel and concrete flyover taken down section by section before being transported away for dismantling and recycling. All 15 of the structure's spans were removed overnight to minimise traffic disruption, while the two ramps were broken up and removed during the day time to avoid excessive noise at night.

Watch video > >




A138
Junctions
Crossings
Related Pictures
View gallery (6)
Bridge over Chelmer Road, Chelmsford (C) Malc McDonald - Geograph - 3421851.jpgA138 Chelmer Road, Chelmsford - Geograph - 4828434.jpgThe Army and Navy - Geograph - 48302.jpgRoad bridge over the Chelmer and Blackwater Navigation - Geograph - 4350229.jpgNew Bridge Over The Chelmer Navigation - Geograph - 5349686.jpg
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