CCP 11-13-1995 - Laserfiche WebLink

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I -,- - I. -' - Devices. Each of the warrants are briefly explained below. The explanation is a simplification of -. the description that is contained in the Minnesota Manual on Uniform Traffic Control Devices. I ""' - - Warrant I - Minimum vehicular volume. This warrant is intended for application at intersections - I where the volume of intersecting traffic is the primary reason for consideration of a signal. For -, intersections with a four lane arterial which carries a minimum of9,600 vehicles a day the warrant would likely be met if the volume on a intersecting cross street with one approach lane is - I approximately 2,400 vehicles per day (one direction only) or with two approach lanes is -, approximately 3,200 vehicles per day(one direction only). -. I Warrant 2 - Interruption of continuous traffic. This warrant is intended for application where the -' traffic volumes on the major street are so heavy that traffic on the minor street suffers excessive - ~ delay or hazard in entering or crossing the major street. This warrant would likely be met if the I volume on a four lane major arterial was 14,400 vehicles per day or greater and the volume on a -' intersecting cross street with one approach lane is upproximately 1,200 vehicles per day (one - direction only) or with two approach lanes is approximately 1,600 vehicles per day (one direction _: I only). - I Warrant 3 - Minimum pedestrian volume. A traffic signal may be warranted where the pedestrian _, volume crossing the major street at an intersection or mid-block location during an average day is I 00 or more for any four hours or 190 or more during anyone hour. ~--,~ I- _1 Warrant 4 - School Crossings. A traffic signal may be warranted at a school crossing if a traffic -. engineering study shows that adequate gaps in the traffic stream are not frequent enough to I accommodate the number of children crossing. -- - Warrant 5 - Progressive Movement. Sometimes a traffic signal is warranted at an intersection where I it is part of a system and there is progressive movement control needed in order to maintain proper - grouping of vehicles and effectively regulate group speed. The installation of a signal according to this warrant should not result in signal spacing ofless than 1000 feet. I .'-' Warrant 6 - Accident Experience. A signal may be warranted if there is a high number of accidents that are subject to correction by traffic signal control. In most cases traffic signals are not a safety -'.=o-c I improvement and can often increase accidents at an intersection. ~ I Warrant 7 - Systems. A traffic signal may be warranted at SOme intersections to encourage -- I concentration and organization of traffic flow networks. This typically applies to the common intersection of two or more major routes. __J I Warrant 8 ' Combination of Warrants. This warrant is only for exceptional cases where all other - ..J remedial measures have been tried. I Warrant 9 - Four Hour Volumes. This warrant applies to situations where there is heavy traffic _J I- - during the peak periods of the day. The hourly volumes needed to meet this warrant are higher than for Warrants I and 2 but they only need to be satisfied for four hours of any day instead of eight. ..J I 37 1 _..,--,.--~, -,:''''-'-7C:-,,~,_" '-'