Shoulder (road) Shoulder (road) A shoulder, or hard shoulder is an emergency stopping lane by the verge of a road or motorway, on the right in countries which drive on the right, or on the left side in India, Japan, the UK, Australia, and other left-side driving countries. Many wider US and Swedish freeways have shoulders on both sides of each directional carriageway, in the median as well as at the outer edges of the road, for additional safety. Shoulders are not intended for use by through traffic, although there are exceptions (see below). Shoulders have multiple uses, including: The shoulder is
New Mexico State Road 501 New Mexico State Road 501 New Mexico Route 501 is a very short state highway in New Mexico, United States of America. Its total length is only about . New Mexico Route 501's southwestern terminus is at New Mexico State Road 4 west of Los Alamos. It runs northeast into the town of Los Alamos, where it ends. It passes through the territory of Los Alamos National Laboratory (LANL), which is closed to the public (the public may drive through on Route 501). Guard posts are at either end of the LANL section of the highway, and motorists passing into