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YIELD CZX 'TSr 1.- <br /> <br />I <br />I <br /> <br /> YIELD signs are a passive traffic control tech- <br /> nique which assigns right-of-way at an inter- <br /> section. This technique can be used to <br /> address right angle, type accidents at uncon- <br /> trolled intersections. <br /> <br /> Effects <br /> <br /> Volumes. The impact on the traffic volume <br /> is minimal. Some vehicles may be diverted <br /> to adjacent collector or arterial streets to <br /> avoid the yield signs. <br /> <br /> Speed. On the portions of roadway which <br /> have the right-of-way, there is a potential <br /> increase in speed, especialty when fairly long <br /> stretches of uninterrupted roadway are on <br /> either side of the intersection. For those por- <br /> tions of roadway which do not have the <br /> right-of-way, speed is reduced within about <br /> 50 feet of the intersection. <br /> <br />Traffic Noise, Air Quality a_nd Energy Con- <br />sumption. There is an increase in noise and <br />energy consumption from the accelerating <br />and decelerating of vehicles. Air quality is <br />negatively affected as well. <br /> <br />Traffic Safety. Results are mixed. A study' <br />in June 1981 for the FHWA indicates that <br />yield signs reduce accidents on low volume <br />streets and do not cause unnecessary stops. <br />A study conducted by the City of St. Paul Jrt <br />February of 1983 indicates that the Y-/ELD <br />signs at the intersection of Iow volume local <br />streets actually increased the accident rate. <br /> <br />Neighborhood Traffic Control <br /> <br />January I994 <br /> <br /> The City no longer uses Yields to control low <br /> volume intersections. A close engineering <br /> analysis is recommended before using Yield <br /> signs, and evaluation of the results of the <br /> installation should be condu, cted if they are <br /> used. <br /> <br />Community Reaction. Gen~rally positive, <br />but frequently followed by requests for stop <br />sign control after accidents or near misses. <br /> <br /> Additional Considerations <br /> <br />The cost of area wide control can be sig- <br />nificant. While the cost of yield signs at one <br />intersection is affordable, an area wide or <br />city wide program can be a serious fiscal <br />commitment. <br /> <br />Additional tree trimming will probably be <br />necessary to maintain sign visibility. <br /> <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br />I: <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />