Title: EFFECT OF CURB PARKING ON INTERSECTION CAPACITY
Abstract: TO INCREASE THE TRAFFIC CAPACITY THROUGH SIGNALIZED INTERSECTIONS, MANY TRAFFIC ENGINEERS HAVE RESORTED TO COMPLETE PROHIBITION OF PARKING ON HEAVILY TRAVLED ARTERIES. AS A CONSEQUENCE, APPROPRIATE REGULATIONS HAVE BEEN ADOPTED UNDER WHICH PARKING CAN BE RESTRICTED FOR VARIOUS REASONS. THIS PAPER ATTEMPTS TO SHOW, THROUGH QUANTITATIVE EVALUATION, THE EFFECTS ON INTERSECTION CAPACITY, OF VARYING LENGTHS OF CLEAR DISTANCE ADJACENT TO AN INTERSECTION. BY CONTROLLING CONDITIONS AT THE STUDY INTERSECTION, FACTORS INFLUENCING CAPACITY, SUCH AS PEDESTRIAN AND PARKING MANEUVERS, ARE KEPT TO A MINIMUM IN ORDER TO MORE ACCURATELY ESTABLISH THE RELATIONSHIP BETWEEN CLEAR DISTANCE AND INTERSECTION CAPACITY. THE INTERSECTION SELECTED FOR STUDY CONSISTS OF A THREE-LANE ONE-WAY STREET INTERSECTING A TWO-LANE TWO-WAY STREET. BLOCKING OFF NEARLY A FULL LANE FIRST ON ONE SIDE OF THE ONE-WAY APPROACH AND THEN ON THE OTHER SIDE, AND THEN ALLOWING VEHICLES TO UTILIZE VARYING LENGTHS OF CLEAR DISTANCE IN THE CURB LANES, IT WAS POSIBLE TO OBTAIN SUFFICIENT DATA TO SUGGEST A RELATIONSHIP BETWEEN CLEAR DISTANCE IN THE CURB LANE AND INTERSECTION CAPACITY. THE RELATIONSHIP IS TESTED STATISTICALLY BY THE STUDENTS 'T' METHOD AND CORRELATION BY RANKS. THE RESULTS AS THEY PERTAIN TO THE SPECIFIC INTERSECTION INVOLVED ARE THAT MAXIMUM VOLUMES OF TRAFFIC CAN BE MOVED THROUGH AN INTERSECTION WITHOUT COMPLETE PROHIBITION OF PARKING, AND THAT ON THE APPROACH THE CLEAR DISTANCE ADJACENT TO THE INTERSECTION REQUIRED FOR MAXIMUM VOLUMES IS RELATED TO THE PERCENTAGE OF TURNING MOVEMENTS. /AUTHOR/
Publication Year: 1960
Publication Date: 1960-01-01
Language: en
Type: article
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