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).

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A138
Junctions
Crossings
Related Pictures
View gallery (6)
Bridge over Chelmer Road, Chelmsford (C) Malc McDonald - Geograph - 3421851.jpgA138 Chelmer Road, Chelmsford - Geograph - 4828434.jpgRoad bridge over the Chelmer and Blackwater Navigation - Geograph - 4350229.jpgA138 Chelmer Road, Chelmsford - Geograph - 4349543.jpgNew Bridge Over The Chelmer Navigation - Geograph - 5349686.jpg
Other nearby roads
Chelmsford
RM3 • EuroVelo 2 • E30 • B1006 (Chelmsford) • M12 (Brentwood - Chelmsford) • NCN1 • A1016 (New London Road, Chelmsford) • A1114 (Chelmsford) • T3 (Britain) • E8 (Old System) • NCN13 • A130 • A122 • B1008 • A1113 • A1099 • A1016 • B1002 • B1137 • B1009 • B1007 • A1091 • A12 • A414 • A1060
A100-A199
A100 • A101 • A102 • A103 • A104 • A105 • A106 • A107 • A108 • A109 • A110 • A111 • A112 • A113 • A114 • A115 • A116 • A117 • A118 • A119
A120 • A121 • A122 • A123 • A124 • A125 • A126 • A127 • A128 • A129 • A130 • A131 • A132 • A133 • A134 • A135 • A136 • A137 • A138 • A139
A140 • A141 • A142 • A143 • A144 • A145 • A146 • A147 • A148 • A149 • A150 • A151 • A152 • A153 • A154 • A155 • A156 • A157 • A158 • A159
A160 • A161 • A162 • A163 • A164 • A165 • A166 • A167 • A168 • A169 • A170 • A171 • A172 • A173 • A174 • A175 • A176 • A177 • A178 • A179
A180 • A181 • A182 • A183 • A184 • A185 • A186 • A187 • A188 • A189 • A190 • A191 • A192 • A193 • A194 • A195 • A196 • A197 • A198 • A199
Defunct Itineraries & Motorways: A102(M) East Cross Route • A102(M) Southern Approach • A108(N) • A108(S) • A115 • A118
A132 • A135 • A138 • A139 • A147 • A154 • A160 • A167(M) • A168(M) • A176 • A180(W) • A180(E) • A194(M) • A194 • A195(M) • A195