"He had just walked out from under a freeway overpass"
An overpass in Washington DC
GNU Free Documentation LicenseAn overpass in Washington DC - Credit: Rfc1394 / Wikimedia Commons

A freeway (known as highway or motorway in other countries) is a road designed for high speed travel. They are usually very wide, with three or more lanes. Where they cross other roads they are raised up on overpasses or skirt under on underpasses.