 The Wolverhampton Ring Road circumnavigates the city centre linking the majority of the city's radial routes.It was constructed in sections between 1960 and 1986, and carries the number A4150, although this is only marked on one road sign.The centre of Wolverhampton has been altered radically since the mid-1960s, with the Mander Centre (plans for which were unveiled on 15 April 1965) being opened in two phases, the first in 1968 and the second in 1971.