A397

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A397
Location Map ( geo)
Cameraicon.png View gallery (7)
From:  Portsmouth (SU654046)
To:  Cosham (SU656056)
Distance:  0.7 miles (1.1 km)
Meets:  A3, A27
Former Number(s):  A3
Highway Authorities

Portsmouth

Traditional Counties

Hampshire

Route outline (key)
A397 Portsmouth – Cosham
This article is about the current A397, a short road in Portsmouth.
For the original, a road linking Uffculme, near Tiverton, to Tiverton itself, see A397 (Tiverton - Uffculme)
.
Looking south on the A397 towards the railway bridge

The A397 is the former A3 through Cosham, Hampshire. Plans to extend it north through Waterlooville to reach Junction 1 of the A3(M) were never executed.

Beginning at the Portsbridge Roundabout there's a short bit of dual carriageway, before a junction with the original road through Cosham. Over the railway the road is a reasonably wide S2, but it widens out to D2 on returning to ground level. Almost immediately, there's a roundabout, and then another short bit of D2 before the road ends at Spur Road Roundabout.

parallel A roads in Cosham on OS 7th Series mapping

The history of this route is debatable. The original A3 through Cosham typically appears on old OS mapping as an A-road along with the newer Northern Road (currently A397 but apparently the A3 from the 1930s at the latest) running parallel.



A397
JunctionsM27 J12 • Portsbridge Roundabout • Spur Road Roundabout
CrossingsPortsbridge Roundabout
RoadsNCN22
PlacesPortsmouth
Related Pictures
View gallery (7)
Blue footbridge in Northern Road (1) - Geograph - 2395111.jpgBlue footbridge in Northern Road (2) - Geograph - 2395115.jpgNorthern Rd- Cosham - Geograph - 708708.jpgNorthern Road in 2011 - Geograph - 2355196.jpgNorthern part of Northern Road - Geograph - 2395177.jpg
Other nearby roads
PortsmouthA2011 (Portsmouth) • A2030 • A2046 • A2047 • A2071 • A288 • A3 • A3(M) • A3017 (Portsmouth) • A3018 (Portsmouth) • A3019 • A3049 (Portsmouth) • A333 (Winchester - Cosham) • B2151 • B2152 • B2153 • B2154 • B2155 • B2177 • B3033 (Wickham - Cosham) • B3034 (Portsmouth) • B3394 • C440 (Portsmouth) • C441 (Portsmouth) • C443 (Portsmouth) • C446 (Portsmouth) • C448 (Portsmouth) • C450 (Portsmouth) • C452 (Portsmouth) • C454 (Portsmouth) • C456 (Portsmouth) • C457 (Portsmouth) • C459 (Portsmouth) • Eastern Motorway (Portsmouth) • M27 • M274 • M275 • NCN2 • NCN22 • NCN236 • T6 (Britain)
WaterloovilleA3 • A3(M) • B2150 • T6 (Britain)
A300-A399
A300 • A301 • A302 • A303 • A304 • A305 • A306 • A307 • A308 • A309 • A310 • A311 • A312 • A313 • A314 • A315 • A316 • A317 • A318 • A319
A320 • A321 • A322 • A323 • A324 • A325 • A326 • A327 • A328 • A329 • A330 • A331 • A332 • A333 • A334 • A335 • A336 • A337 • A338 • A339
A340 • A341 • A342 • A343 • A344 • A345 • A346 • A347 • A348 • A349 • A350 • A351 • A352 • A353 • A354 • A355 • A356 • A357 • A358 • A359
A360 • A361 • A362 • A363 • A364 • A365 • A366 • A367 • A368 • A369 • A370 • A371 • A372 • A373 • A374 • A375 • A376 • A377 • A378 • A379
A380 • A381 • A382 • A383 • A384 • A385 • A386 • A387 • A388 • A389 • A390 • A391 • A392 • A393 • A394 • A395 • A396 • A397 • A398 • A399
St Peters Way  Motorways: A308(M) • A329(M)  Earlier Itineraries: A303 • A326 • A331 • A333 • A341 • A346 • A355 • A364 • A369 • A374 • A378 • A392 • A397