The Edinburgh City Bypass (A720) skirts the southern fringes of the city. The road was constructed between 1981 and 1990 and opened to motorists in sections. The road is one of the main trunk roads in east central Scotland linking vitally important routes such as the M8, the main route west to Glasgow, the A1 the primary route south to from Scotland to England, and the M9 to Stirling. The City Bypass is linked by the A902 to the A90 leading north out of the city.