| 主权项 |
1. A method for notifying a first driver of a first vehicle that a first responder is ahead of the first driver on a road and that the first responder is stopped on the road, the method comprising the steps of:
a) emitting a first optical signal against a flow of traffic and against a direction in which the first vehicle is traveling, the first optical signal being emitted from a first location on or adjacent to the road such that the first optical signal impinges upon the first vehicle prior to the first vehicle reaching said first location; b) then detecting the first optical signal with a first optical detector in or on the first vehicle; c) then determining whether the first optical signal is from a location forwardly of the first vehicle; and d) then providing a warning in the first vehicle to the first driver of the first vehicle if the first optical signal is from a location forwardly of the first vehicle, the warning being one of an audible warning and visible warning, and the warning informing the first driver of the first vehicle of a situation at said location, wherein the step of providing a warning comprises a request that the first driver move the first vehicle away from a shoulder of the road. |
