“R100/1 (Rev) - START at the southern end of layby on the A40 approx. 1.7 miles south-west of Llanwrda and proceed south along the A40 to the small Llangadog rbt (0.500miles) and continue south-west to the Llandeilo rbt (5.572 miles) where circle rbt and retrace past Llanwrda (12.993 miles) and continue on the A40 through Llandovery, Trecastle and Sennybridge to the Brecon West rbt (37.208 miles) where circle rbt and retrace on the A40 through Sennybridge, Trecastle and Llandovery past Llanwrda to Llandeilo rbt (68.939 miles) where 2nd exit (i.e. right) along the A40 Llandeilo by-pass to Abergwili East rbt (81.643 miles) where circle rbt and retrace along A40 back to Llandeilo rbt (94.550 miles) where 1st main exit (i.e. left) and proceed north-west along the A40 to FINISH at drain cover on LHS of road approx. 30 yards past the start.”