What is the total length of the motorway on which the Weaver Viaduct is located?
Weaver Viaduct: The Weaver Viaduct, in the north of Cheshire on the M56, is one of the longest concrete viaducts on the British motorway network. M56 motorway:  With a length of 33.3 mi , it is often busy with long-distance commuter traffic towards North Wales.
i don't know