Laserfiche WebLink
Table E-3 <br /> General Level of Service Descriptions (Unsignalized <br /> Intersections) <br /> Level of Service General Description <br /> A - Nearly all drivers find freedom of operation <br /> - Very seldom is there more than one vehicle in <br /> the queue <br /> B - Some drivers begin to consider the delay an <br /> inconvenience <br /> - Occasionally there is more than one vehicle in <br /> the queue <br /> C - Many times there is more than one vehicle in <br /> the queue <br /> - Most drivers feel restricted, but not <br /> objectionably so <br /> D - Often there is more than one vehicle in the <br /> queue <br /> - Drivers feel quite restricted <br /> E - Represents a condition in which the demand is <br /> near or equal to the probable maximum <br /> number of vehicles that can be accommodated <br /> by the movement <br /> - There is almost always more than one vehicle <br /> in the queue <br /> - Drivers find the delays to be approaching <br /> intolerable levels <br /> F - Forced flow <br /> - Represents an intersection failure condition that <br /> is caused by geometric and/or operational <br /> constraints external to the intersection <br /> E-S <br />