The A222 is a non-primary A road between Bexley

Bexley

Bexley is an South East London]] in the London Borough of Bexley, London, England. It is located on the banks of the River Cray south of the Roman Road, Watling Street...

 and Croydon

Croydon

Croydon is a town in South London, England, located within the London Borough of Croydon to which it gives its name. It is situated south of Charing Cross...

. The road passes through three London boroughs.

Route

The A222 starts in the narrow Bexley High Street, which has a great deal of character. It passes Bexley railway station

Bexley railway station

Bexley railway station is in the London Borough of Bexley in south-east London, in Travelcard Zone 6. The station, and all trains serving it, is operated by Southeastern....

 and the B2210, then it carries on along the train lines until it reaches Albany Park railway station

Albany Park railway station

Albany Park railway station is in the London Borough of Bexley in south-east London . The station and all trains serving it are operated by Southeastern....

. The road reaches a roundabout with the A221, and carries on straight pass two schools and reaches Sidcup railway station

Sidcup railway station

Sidcup railway station is a railway station located in Sidcup in the London Borough of Bexley in south-east London. It is in Travelcard Zone 5.-Services:These are operated by Southeastern, who also manage the station.* 2tph to * 2tph to...

. At a T-Junction with the B2214, it turns left passing Lamorbey Leisure Centre. It carries on Station Road to Sidcup

Sidcup

Sidcup is a district in South East London in the London Borough of Bexley and small parts of the district in the London Borough of Greenwich.Located south east of Charing Cross, Sidcup is bordered by the London Boroughs of Greenwich and Bromley and Kent County Council, and whilst now part of...

 town centre and passes the High Street and Green. The road now turns into a dual-carriageway until it hits a roundabout on top of the A20, it carries on straight towards Chislehurst

Chislehurst

Chislehurst is a suburban district in south-east London, England, and an electoral ward of the London Borough of Bromley. It is south-east of Charing Cross.-Toponymy:...

, Chislehurst railway station

Chislehurst railway station

Chislehurst railway station is in the London Borough of Bromley in south London. It is in Travelcard Zone 5, and the station and all trains are operated by Southeastern....

, Chislehurst Caves

Chislehurst Caves

Chislehurst Caves are a long series of tunnels in Chislehurst, in the south eastern suburbs of Greater London. Although called caves, they are chalk and flint mines and entirely man-made....

, Bickley

Bickley

Bickley is an affluent residential area and electoral ward in the London Borough of Bromley, England. It is a suburban development situated 10.4 miles south east of Charing Cross...

 and Bickley railway station

Bickley railway station

Bickley railway station is in the London Borough of Bromley in south London. It lies between Bromley South and Swanley stations. The station and all trains are operated by Southeastern, and is in Travelcard Zone 5....

.

Now the road reaches Bromley

Bromley

Bromley is a large suburban town in south east London, England and the administrative headquarters of the London Borough of Bromley. It was historically a market town, and prior to 1963 was in the county of Kent and formed the administrative centre of the Municipal Borough of Bromley...

, where it passes straight through the town centre. The road here is one-way for cars towards Croydon, so only buses can go the other way to pass, The Glades shopping centre

The Glades (Bromley)

The Glades is a British shopping centre owned by Capital Shopping Centres , CGNU , and London Borough of Bromley . It is located in Bromley, South-East London. It has a total of 135 stores trading from a combined floorspace of...

, Odeon Cinema and Bromley College. Now it returns to a normal both way road and travels down to Shortlands railway station

Shortlands railway station

Shortlands railway station is in Shortlands, in the London Borough of Bromley in south London. It serves the southwest part of Bromley, and is 10 miles from London Victoria....

 and Beckenham

Beckenham

Beckenham is a town in the London Borough of Bromley, England. It is located 8.4 miles south east of Charing Cross and 1.75 miles west of Bromley town...

 town centre. At the roundabout at Beckenham the A222 turns left to Elmers End

Elmers End

Elmers End is a place in London Borough of Bromley, England. It has a large green space which is the centre of a gyratory. Very close to the combined railway station and Tramlink terminus bearing its name is the old sewage farm. The remains of this industrial site can still be seen...

. Once in Elmers End it uses Long Lane to Woodside

Woodside, London

Woodside is a neighbourhood in the London Borough of Croydon located between Addiscombe and South Norwood.-History:Woodside is a suburban district of residential streets based around Woodside Green, a small sized area of green land. At one end of the green is a war memorial. It is surrounded by...

 and Ashburton

Ashburton, London

Ashburton is a small neighbourhood in the London Borough of Croydon neighbouring South Norwood, Shirley, Addiscombe and Woodside. The area is mostly home to residential houses and flats. Most in the area would describe themselves as living in Shirley or Addiscombe.Ashburton was named after...

. Then it passes its first Tramlink

Tramlink

Tramlink is a tramway system in south London in the United Kingdom which began operation in May 2000...

 stop, Addiscombe tram stop

Addiscombe tram stop

Addiscombe tram stop is a light rail stop in the London Borough of Croydon in the southern suburbs of London.The tram stop is served by Tramlink routes:* 1 * 2...

 in Addiscombe

Addiscombe

Addiscombe is a district of south London, England, located in the London Borough of Croydon. It is situated south of Charing Cross.It is situated just to the northeast of central Croydon, and is home to a high proportion of people who commute to Central London, owing to its proximity to the busy...

.

It then reaches a roundabout where it branches into two: left to Croydon

Croydon

Croydon is a town in South London, England, located within the London Borough of Croydon to which it gives its name. It is situated south of Charing Cross...

 on Cherry Orchard Road

Cherry Orchard Road

Cherry Orchard Road is a road and planned building development in East Croydon, London. The street is part of the longer A222 road for all of its length...

and straight ahead to West Croydon. Both roads end after about 500 m, although the straight ahead branch is the main A222 road.