A555 (Barnet Bypass)

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A555
Cameraicon.png View gallery (4)
From: Highgate (TQ277886)
To: Hatfield (TL226103)
Length: 17.5 miles (28.2 km)
Met (1939) A1, A406, A598, A504, A500, A5100, A5109, A411, A6, A405, A414, A1
Former Number(s): A5093, A5092
Now part of: A1, A1(M), A1001
Traditional Counties

Hertfordshire • Middlesex

Route outline (key)
A555 Highgate - Five Ways
(A500) Five Ways - Apex Corner
A555 Apex Corner - Hatfield
This article is about the former A555 Barnet Bypass.
For the current A555 near Manchester Airport, see A555
.
For the original A555 from Backford on the A51 to Ellesmere Port, see A555 (Backford - Ellesmere Port).
The A1 (former A555) in Hampstead Garden Suburb

The A555 was allocated to the Barnet Bypass on 1st April 1935, as part of the 1935 Road numbering revision. The bypass had opened in 1926 with the numbers A5093 south of the slightly earlier Watford Bypass (which opened as A5088 and became the A500 in 1935) and A5092 to the north. However, following the widespread introduction of Pre Worboys direction signs, it was decided to give the a more distinctive number to the road to aid navigation.

In 1937, when Trunk Roads were introduced, it became part of the London - Edinburgh - Thurso trunk route, while the A1 between Highgate and Hatfield remained a locally funded road. Around 1954, a renumbering scheme around London took place which reallocated principal route numbers along trunk roads where possible, and the road became part of the A1 proper. North of South Mimms the A1 has been upgraded to motorway (as the A1(M)); at times this was an online upgraded and at times the motorway was built slightly to one side: the original line of the A555 around Hatfield is now the A1001.



A555 (Barnet Bypass)
JunctionsApex Corner (Mill Hill) • Bignells Corner • Fiveways Interchange • Stirling Corner
RoadsT1 (Britain)
Related Pictures
View gallery (4)
A1 Falloden Way in Hampstead - Geograph - 2285011.jpgA41northbound Mill Hill (C) David Howard - Geograph - 2210815.jpgSwanland Road.jpgWater End- Swanland Road (C) Nigel Cox - Geograph - 311648.jpg
Other nearby roads
BarnetA1000 • A1081 • A110 • A411 • A6 • B155 (East Barnet - Potters Bar) • B193 • C116 (Hertfordshire) • Great North Road • T1 (Britain)
HatfieldA1(M) • A1000 • A1001 • A1057 • A405 • A414 • A5092 (Barnet Bypass) • A6129 • B197 • B555 • B556 • B6426 • C119 (Hertfordshire) • C60 (Hertfordshire) • C91 (Hertfordshire) • E31 (via Newcastle) • Great North Road • Hatfield - Reading Turnpike • M100 • T102 (Britain) • T1 (Britain)
A500-A599
A500 • A501 • A502 • A503 • A504 • A505 • A506 • A507 • A508 • A509 • A510 • A511 • A512 • A513 • A514 • A515 • A516 • A517 • A518 • A519
A520 • A521 • A522 • A523 • A524 • A525 • A526 • A527 • A528 • A529 • A530 • A531 • A532 • A533 • A534 • A535 • A536 • A537 • A538 • A539
A540 • A541 • A542 • A543 • A544 • A545 • A546 • A547 • A548 • A549 • A550 • A551 • A552 • A553 • A554 • A555 • A556 • A557 • A558 • A559
A560 • A561 • A562 • A563 • A564 • A565 • A566 • A567 • A568 • A569 • A570 • A571 • A572 • A573 • A574 • A575 • A576 • A577 • A578 • A579
A580 • A581 • A582 • A583 • A584 • A585 • A586 • A587 • A588 • A589 • A590 • A591 • A592 • A593 • A594(N) • A594(S) • A595 • A596 • A597 • A598 • A599
Defunct Itineraries & Motorways : A500 • A506 • A511(N) • A511(S) • A524 • A526 • A529 • A544 • A555(N) • A555(S) • A556(M) • A563 • A564 • A569 • A580 • A598