|Location Map ( geo)|
|Distance:||1.2 miles (1.9 km)|
|Meets:||A803, C7, B825|
|Route outline (key)|
The C18 starts on the A803 a short distance east of the Lathallan Interchange, and heads south, kinking east to cross the railway, and so entering Whitecross on Haining Road. It crosses the C7, and then leaves the village on Manuel Road, quickly reaching its end on the B825.