| 15a. |
 From the changeover continue for 0.4 miles. At the junction with the main road go straight ahead. ⚠ Beware of fast moving traffic from the right. |
| 15b. |
 After 1.6 miles turn right at the T-junction marked 'Southery B1160' and continue for a further 1.7 miles into Southery village |
| 15c. |
 In the village centre turn right at the T-junction marked 'Downham Market' and continue for 0.8 miles.⚠ Beware of traffic when turning right. |
| 15d. |
 Turn right at the T- junction with the A10 signed towards Downham Market. ⚠ High risk point: beware of traffic when turning right. |
| 15e. |
Continue on the main A10 for 4.1 miles to roundabout. |
| 15f. |
 At the roundabout (TF620 021) take the left turn signed 'A1122 Wisbech' (1.7 miles to the changeover). |
| 15g. |
Proceed straight on for 1.5 miles down the hill, over the level crossing (⚠ high risk point) to a roundabout (TF 600 028). ⚠ Obey crossing signs and hazard warning signals. |
| 15h. |
 Turn right at the roundabout and run a further 420 metres to the changeover opposite Haygates factory at the 40mph restriction sign (TF 601 033). ⚠ Beware of traffic when turning right at the roundabout. |