and bypasses Kempston to meet the A421 (A1-M1 link). The original route through Bedford was reclassified as the A4280. St Neots bypass (opened in December 1985, originally designated as the A45. The former route through the town is now the B1428). Eltisley bypass (opened in 1972, originally designated as the A45). Recent improvements Cambourne: Bypassed by a stretch of dual carriageway opened in May 2003. Caxton Gibbet: A two-lane £55 million dual carriageway section opened on 24 May 2007 after widening works started by the Highways Agency in August 2005, linking this point to a grade-separated junction at Hardwick (about further east). References Roads in England Transport in Bedfordshire Transport in Buckinghamshire Roads in Cambridgeshire Transport in Northamptonshire Roads in Warwickshire Roads in the West Midlands (county)