A1 London - Peterborough

Route in Detail

From the heart of the capital, the central London part of the A1 has remained unchanged since the creation of the classified road system in 1922. One key change being the diversion of the original A1 from what is now the A1000 to Multiplex along the A406 and follow a new route through Barnet,

Jct 1 to 10 - Opened in stages as motorway between 1962 and 1986, the first real taste of the open road heading north forms bypasses for Hatfield, Welwyn Garden City, Stevenage, Letchworth and Baldock.

Jct 10 to 14 - Relatively unimproved stretch of the A1, awaiting a significant change with the future upgrade to the A14 nearby.

Jct 14 to 17 - Known for being perhaps the only really over engineered motorway in the country, the DBFO project between the A14 and Peterborough formed part of a bigger vision for upgrading the A1 to a full motorway, that stalled on completion of this section in 1998

A1 London - Peterborough

Junctions A1(M) J10 • Alconbury North Interchange • Alconbury South Interchange • Apex Corner • Archway • Bignells Corner • Black Cat Roundabout • Brampton Interchange • Coreys Mill Interchange • Fiveways Interchange • Henlys Corner • Highbury Corner • Langley Sidings Interchange • Lemsford Interchange • Letchworth Gate • Mill Hill Circus • Nags Head • Norman Cross • Oldings Corner • Roehyde • Roestock Interchange • Sawtry Interchange • Stirling Corner • The Clock Interchange •

Services Brampton Hut services • Peterborough services • South Mimms services •

Roads A1 • A1(M) • A1(M)/Alconbury - Peterborough • A1(M)/Blyth - Adwick le Street • A1(M)/Newcastle Central Motorway East • A1(M)/South Mimms - Baldock • A1/Adwick le Street - Darrington • E31 (via Carlisle) • E31 (via Newcastle) •

Miscellaneous A1/Named Junctions • Project GNR •

Related Pictures View gallery (1)

Other nearby roads London A1 • A1(M) • A10 • A101 • A11 • A11(M) • A127 • A13 • A2 • A2(M) (Kidbrooke - Falconwood) • A20 • A21 • A23(M) • A233 • A24 • A3 • A30 • A4 • A4/Great West Road • A4/Slough - London • A40 • A40/Central London - Denham • A41 • A41/Central London - Watford • A41/Watford - Aylesbury • A5 • A5/Central London - Brockley • B269 • B324 • B519 • E1 (Old System) • E105 (Old System) • E107 (Old System) • E108 (Old System) • E13 • E15 • E2 (Old System) • E30 • E31 (via Carlisle) • E31 (via Newcastle) • E33 (London - Glasgow) • E5 (Old System) • E8 (Old System) • Ermine Street • Great North Road • Holyhead Road • London Inner Ring Road • Longest Lane • M1 • M100 • M11 • M12 (Brentwood - Chelmsford) • M12 (Woodford - Brentwood) • M12 (Woodford - Maplin) • M13 • M15 • M16 • M20 • M23 • M25 • M3 • M30 • M4 • M40 • M41 • NCN1 • Northern and Western Motorway • South Cross Route • T1 (Britain) • T10 (Britain) • T11 (Britain) • T12 (Britain) • T2 (Britain) • T3 (Britain) • T31 (Britain) • T32 (Britain) • T33 (Britain) • T34 (Britain) • T35 (Britain) • T4 (Britain) • T5 (Britain) • T6 (Britain) • T8 (Britain) • T9 (Britain) • Watling Street • Hatfield A1(M) • A1(M)/South Mimms - Baldock • A1000 • A1001 • A1057 • A405 • A414 • A5092 (Barnet Bypass) • A555 (Barnet Bypass) • A6129 • B197 • B555 • B6426 • E31 (via Newcastle) • Great North Road • Hatfield - Reading Turnpike • M100 • T1 (Britain) • T102 (Britain) • Stevenage A1(M) • A1(M)/South Mimms - Baldock • A1070 (Stevenage) • A1072 • A1155 • A602 • B1037 • B197 • E31 (via Newcastle) • Great North Road • M100 • POLO • T1 (Britain) • Peterborough A1(M) • A1(M)/Alconbury - Peterborough • A1073 • A1109 • A1119 • A1127 • A1129 • A1139 • A1179 • A1260 • A15 • A16 • A47 • A605 • B1040 • B1091 • B1092 (Old Fletton) • B1092 (Stanground) • B1095 • B1165 (Eye - Crowland) • B1167 • B1380 (Peterborough) • B1443 • B1524 • E15 • E31 (via Newcastle) • Ermine Street • Great North Road • M100 • T1 (Britain) • T15 (Britain) • T23 (Britain) •

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