 | ||||
|---|---|---|---|---|
 Cogan Spur | ||||
| Major junctions | ||||
| East end | Cardiff Bay | |||
 A4232 A4160 A4231 A4050 | ||||
| West end | Barry Island | |||
| Location | ||||
| Country | United Kingdom | |||
| Constituent country | Wales | |||
| Primary destinations | Cardiff | |||
| Road network | ||||
| ||||
The A4055 is the main road link between Cardiff Bay and Barry.