When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    Cross sections incorporating a minimum of two through-traffic lanes for each direction of travel, with a typical width of 3.50 to 3.75 m (11 ft 6 in to 12 ft 4 in) each, separated by a central median. An obstacle-free zone varying from 4.5 to 10 m (15 to 33 ft), or alternatively installation of appropriate vehicle restraint systems.