B489 Road

From: B4009 at Aston Clinton
To: A5/A505 at Dunstable, Note: Formerly started on the A41, now crosses the bypassed A41 and starts in Aston Clinton on the B4009.
Roads: West Street
Cities: Aston Clinton, Edlesborough, Ivinghoe, Marsworth, Puttenham, Totternhoe, Pitstone, Dunstable.