The A1023 is an A-road

A roads in Zone 1 of the Great Britain numbering scheme

List of A roads in zone 1 in Great Britain beginning north of the Thames, east of the A1 .-Single- and double-digit roads:-Triple-digit roads:-Four-digit roads :-Four-digit roads :...

 in Essex

Essex

Essex is a ceremonial and non-metropolitan county in the East region of England, and one of the home counties. It is located to the northeast of Greater London. It borders with Cambridgeshire and Suffolk to the north, Hertfordshire to the west, Kent to the South and London to the south west...

, England.

The road is approximately 4.5 miles (7.2 km) long and at its western end is an exit from the Brook Street Roundabout (junction 28 of the M25

M25 motorway

The M25 motorway, or London Orbital, is a orbital motorway that almost encircles Greater London, England, in the United Kingdom. The motorway was first mooted early in the 20th century. A few sections, based on the now abandoned London Ringways plan, were constructed in the early 1970s and it ...

 and junction 11 of the A12

A12 road

The A12 is a major road in England. A trunk road for most of its length it runs from London to Great Yarmouth in Norfolk. The road forms part of the unsigned Euroroute E30...

).

From there, heading northeast, the road runs through Brentwood

Brentwood, Essex

Brentwood is a town and the principal settlement of the Borough of Brentwood, in the county of Essex in the east of England. It is located in the London commuter belt, 20 miles east north-east of Charing Cross in London, and near the M25 motorway....

 as Brook Street, London Road, High Street and Shenfield Road. It then passes by Shenfield

Shenfield

Shenfield is a former village and now an outer suburb of Brentwood in the borough of the same name in Essex, England.-History:The name originates from the Anglo-Saxon Chenefield, meaning 'good lands'....

 as Chelmsford Road before ending at the Mountnessing Roundabout (junction 12 of the A12).

At the eastern end of Brentwood High Street, the A1023 becomes Shenfield Road at the Wilsons Corner double-roundabout junction. A turn-off at this junction takes motorists onto the A128, northbound towards Chipping Ongar

Chipping Ongar

Chipping Ongar is a small market town, and a civil parish called Ongar, in the Epping Forest district of the county of Essex, England. It is located East of Epping, South-East of Harlow and North-West of Brentwood.-Geography:...

 or southbound toward Ingrave

Ingrave

Ingrave is a village in south Essex. It is situated on and around the A128 road, 2 miles south of Brentwood.-Name and history:...

. Continuing northeast on the A1023, the road meets Tabors Corner, a T-junction where motorists can turn onto the A129

A129 road

The A129 is a main road in Essex, England.The road connects Shenfield in the west and Hadleigh in the east, linking various commuter towns in the county. It forms a road link between the railway stations of Shenfield and Rayleigh...

 towards Shenfield and Billericay

Billericay

Billericay is a town and civil parish in the Basildon borough of Essex, England. It lies within the London Basin, has a population of 40,000, and constitutes a commuter town east of central London. The town has three secondary schools and a variety of open spaces...

.