The road measures 4.74 miles long and would take a car obeying speed limits 9 minutes to travel its length.
The B4545 is a B Road and is located in the Zone 4 Highways Region.
The road is split into 2 segments.
We invite you to share your stories, historical insights, or fun facts about B4545.
The road passes through several towns, including HOLYHEAD, Trearddur Bay, Valley, and Four Mile Bridge.
The road is located entirely within Gwynedd.