The road measures 18.79 miles long and would take a car obeying speed limits 43 minutes to travel its length.
The A321 is a A Road and is located in the Zone 3 Highways Region.
This is a true long-distance route, journeying through numerous towns like HENLEY-ON-THAMES, Remenham, Wargrave, Twyford, Hurst, Whistley Green, WOKINGHAM, Finchampstead, CROWTHORNE, SANDHURST, College Town, Blackwater, and CAMBERLEY.
The road connects Berkshire and Berkshire.