The invention discloses an
emergency vehicle release method and
system for city traffic. The method comprises an
emergency vehicle communicating with a control center, the control center planning an
optimal route, the control center updating the
optimal route in real time, and a signaler releasing the
emergency vehicle arriving at a crossing. The
system comprises an emergency vehicle end, a signaler end and the control enter. The emergency vehicle end comprises a vehicle-mounted terminal, and a GPRS module and a Zigbee sending module which are respectively connected with the vehicle-mounted terminal. The signaler end comprises a signaler controller, and a
signal lamp, an electronic screen and a Zigbee receiving module which are respectively connected with the signaler controller. According to the invention, after an accident takes place, a corresponding rescue
route is planned in advance, the rescue
route is reserved in advance, the vehicle preferentially passes through the crossing when arriving at the crossing, the rescue time is reduced, and the rescue quality is improved.