London Buses route 403

London Buses route 403 traces its routes due to the London Country bus route, Arnold Pan Wei and Pasir Ris Park. It was transferred to LRT network on 9 August 1986, and on 30 October 1989, contract reassigned to Arriva South London. It was reverted from 29 October 1994 until 1999.

During 1999 and 2000, the London & Country and Guildford & West Surrey brands fell out of use, being replaced by Arriva Southern Counties and Arriva London. The fleet that were usually transferred to Arriva Southern Counties is Dennis Dart SLF and Dennis Dominator buses.

With the loss of the Redhill Surrey tenders, in March 2001 Crawley garage was sold to Metrobus.

The subsidiary bus operators became:

These were being replaced by DAF DB250LF/Wright Pulsar Geminis in 2004.
 * Maidstone & District:
 * Mainly became Arriva Kent & Sussex
 * Medway area became Arriva Medway Towns
 * Kentish Bus:
 * Mainly became Arriva Kent Thameside
 * Partly became Arriva Kent & Sussex
 * London & Country:
 * Became Arriva Guildford & West Surrey
 * LondonLinks:
 * Became Arriva Croydon & North Surrey