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A1000

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A1000
Cameraicon.png View gallery (30)
From:East Finchley, London (TQ276886)
To:Welwyn Garden City (TL235165)
Length:21 miles (33.8 km)
Meets: A1, A504, A406, A598, A1003, A109, A5109, A110, A411, A1081, A111, A1001, A414, A5129, A1(M)
Former Number(s):A1
Highway Authorities

Barnet • Haringey • Hertfordshire

Traditional Counties

Hertfordshire • Middlesex

Route outline (key)
A1000 East Finchley - Welwyn Garden City
This article is about the current use of the number.
For the former A1000 that ran Finsbury Park Station - Muswell Hill, see A1000 (Finsbury Park Station - Muswell Hill)
.

The greater part of the A1000 follows the former route of the A1 from East Finchley to Hatfield, as evidenced by many sections of it which are known as Great North Road.

Starting on the A1 north of Highgate the road heads north through East Finchley, after which there is a GSJ with the A406 North Circular. In North Finchley the road meets the A1003 and is forced left onto a gyratory, with northbound traffic using part of the A598 to return to the A1000 (southbound traffic follows the direct route). The road then continues through Whetstone, where it is briefly dualled, before reaching Barnet. After going under the Northern line the A1081 St Albans Road turns off left at traffic lights. Although both roads here have 4-digit numbers and seem quite unimportant this was once a major road junction as it was where the A6 turned off the A1.

After Barnet the road soon enters open country. This does not last for long, however, as the road soon goes under the M25 to enter Potters Bar. The road remains in a state of uncertainty as to whether it is urban or rural for a few more miles before reaching a fork GSJ on the southern edge of Hatfield. Ahead is the A1001 southern bypass whilst the A1000 has to TOTSO. Unusually for a GSJ, both roads are S2. The road now runs to the east of Hatfield New Town, parallel to the East Coast Main Line, before running through Old Hatfield to reach a set of traffic lights.

A1000 Hertford Road, Hatfield

The route of the A1000 north of here has never been part of the Great North Road or the A1, and was built as the new town developed. The Great North Road from this point followed a straighter route past the west of the town and up to Welwyn along the B197, shown in this Google Maps extract. When originally inaugurated the A1000 continued ahead and soon met the A1 once more. However, it is no longer possible to follow this route; this is not necessarily due to urban development, more that the railway bridge collapsed in 1966 and was only rebuilt as a footbridge. The A1000 therefore TOTSOs right at the traffic lights to cross the A414 at a GSJ to reach the next New Town, Welwyn Garden City.

A wide S2 road liberally scattered with roundabouts takes the A1000 to the east of the town centre before a one-way gyratory loop is met in an industrial estate. Southbound traffic has to do almost a full loop. The road then zigzags west to go under the railway line and over the River Mimram to become D2. The road heads west for a short distance to reach A1(M) J6 where it also meets the Great North Road (now B197) once more. The south-facing and north-facing slip roads are a short distance apart so the A1000 follows the former A1 for a short distance to connect the whole of the junction.



A1000
JunctionsBell Bar • High Road • Swanley Bar • The Clock Interchange • The Rookery
CrossingsChequers Bridge
RoadsHolyhead Road
Related Pictures
View gallery (30)
A1000 Hertford Road in Hatfield - Geograph - 1318160.jpgA1000 Old GSJ - 10 - Coppermine - 5011.jpgA1000 Old GSJ - 7 - Coppermine - 5008.jpgBarnet Hill, Barnet, Hertfordshire - Geograph - 1687486.jpgIn the middle. - Coppermine - 6153.jpg
Other nearby roads
BarnetA1/Central London - South Mimms • A1081 • A110 • A411 • A555 (Barnet Bypass) • A6 • B155 (East Barnet - Potters Bar) • B193 • C116 (Hertfordshire) • Great North Road • T1 (Britain)
Potters BarA1005 • A111 • A1178 • A121 • B155 (East Barnet - Potters Bar) • B156 • B157 • B158 • B556 • B650 • C115 (Hertfordshire) • C116 (Hertfordshire) • C59 (Hertfordshire) • C60 (Hertfordshire) • E30 • Great North Road • M16 • M25
HatfieldA1(M) • A1(M)/South Mimms - Baldock • A1001 • A1057 • A405 • A414 • A5092 (Barnet Bypass) • A555 (Barnet Bypass) • A6129 • B197 • B555 • B556 • B6426 • C119 (Hertfordshire) • C60 (Hertfordshire) • C91 (Hertfordshire) • E31 (via Newcastle) • Great North Road • Hatfield - Reading Turnpike • M100 • T1 (Britain) • T102 (Britain)
Welwyn Garden CityA1(M) • A1(M)/South Mimms - Baldock • A600 • A6129 • B1000 • B190 • B195 • B197 • B653 • B656 • C147 (Hertfordshire) • C148 (Hertfordshire) • C149 (Hertfordshire) • C152 (Hertfordshire) • C158 (Hertfordshire) • C182 (Hertfordshire) • C47 (Hertfordshire) • C91 (Hertfordshire) • M100 • T1 (Britain)
A1000-A1099
A1000 • A1001 • A1002 • A1003 • A1004 • A1005 • A1006 • A1007 • A1008 • A1009 • A1010 • A1011 • A1012 • A1013 • A1014 • A1015 • A1016 • A1017 • A1018 • A1019 • A1020
A1021 • A1022 • A1023 • A1024 • A1025 • A1026 • A1027 • A1028 • A1029 • A1030 • A1031 • A1032 • A1033 • A1034 • A1035 • A1036 • A1037 • A1038 • A1039 • A1040 • A1041
A1042 (N) • A1042 (S) • A1043 • A1044 • A1045 • A1046 • A1047 • A1048 • A1049 • A1050 • A1051 • A1052 • A1053 • A1054 • A1055 • A1056 (N) • A1056 (S) • A1057 • A1058
A1058(M) • A1059 • A1060 • A1061 • A1062 • A1063 • A1064 • A1065 • A1066 • A1067 • A1068 • A1069 • A1070 • A1071 • A1072 • A1073 • A1074 • A1075 • A1076 • A1077 • A1078
A1079 • A1080 • A1081 • A1082 • A1083 • A1084 • A1085 • A1086 • A1087 • A1088 • A1089 • A1090 • A1091 • A1092 • A1093 • A1094 • A1095 • A1096 • A1097 • A1098 • A1099
Earlier Uses: A1000 • A1001 • A1010 • A1016(N) • A1016(S) • A1018(S) • A1018(N) • A1019 • A1020 • A1021 • A1022 • A1023 • A1025 • A1027 • A1032(N) • A1032 (S) • A1037
A1041(N) • A1041(S) • A1053 • A1054 • A1055 • A1056 • A1057 • A1059 • A1060 • A1062 • A1063 • A1070(E) • A1070(W) • A1072 • A1074(E) • A1074(W) • A1075 • A1076 • A1078
A1080 • A1081 • A1082 • A1089 • A1090 • A1096