The work will realign nearly three miles (4.7km) of the current route, and nearly two miles (3.1km) of the existing three-lane road will become a dual carriageway.
Part of the road in Hermitage Way, Wooton, features metal teeth in a pit designed to stop cars using the road as a rat-run to the A45 dual carriageway.
Richard suggested the most popular of the region's grey ladies is that of an old woman said to be seen gliding across the A541 dual carriageway outside 16th century Jacobean mansion, Plas Teg, Pontblyddyn , on the Mold-Wrexham road.