COURSE F12/10 (Amended Feb 2018). START GR919236 on A4146, about 180yds east of Grovebury Road RAB, (A4012), 98yds east of lamppost 46, opposite a RAB sign on the other side of the road. Proceed eastwards along A4146, straight on at Billington RAB/B440 (then route becomes A505) to RAB junction with Watling Street, A505:- TURN (5.2 miles) by taking 3rd. exit out of RAB and retrace westwards along A505, straight on at Billington RAB to:- FINISH GR923236 on A4146, about 110yds east (before) bridge over the A4146, 41yds east of manhole cover on grass verge, some 665yds east of the start. Police Area(s) Bedfordshire LOCAL REGULATIONS No.1 and 3 apply.