The brochure details the construction work, and has some interesting photographs of the old, rather narrow road.
The following link provides the Nash Fingerpost Road Improvements Brochure 2005:
A477 Road Improvement Scheme
Cosheston Community History Project
A reference for the History of the village and People of Cosheston, Upton & Nash
Cosheston Community History Project
A reference for the History of the village and People of Cosheston, Upton & Nash