|From:||Great North Road (SM908058)|
|To:||Victoria Road (SM901059)|
|Via:||Charles Street, Dartmouth Street|
|Length:||0.5 miles (0.8 km)|
|Route outline (key)|
For all but its final 65 m on Dartmouth Street, the B4326 is a one-way east-to-west road in the centre of Milford Haven. It runs parallel to the A4076 which is one block south and has both ends on that road.