This article is about the Class III road numbered C667 maintained by DfI Roads. For other roads numbered C667, see C667.
The C667 is a short route on the west side of Omagh. It starts on the B48 Derry Road and follows the westbound only Brookmount Road which soon reaches a mini roundabout after which traffic flows both ways. The road crosses over the A5 bypass and comes to a halt at a T junction. To the right is access to the A5 while going left the remainder of the route continues along Brookmount Road. Soon the road turns out of town at a mini roundabout and follows Aghnamoyle Road. Heading north west, the road soon comes to an end as it meets the B50.