00713579

Component

http://onlinepubs.trb.org...trr/1995/1484/1484-012.pdf

https://scholar.google.co...good&publication_year=1995

A study on the effects of light and heavy trucks on left-turning queues at compressed diamond interchanges is described. The headway method was used for determining passenger-car equivalents (PCEs) of various left-turning light and heavy truck classes, including some specialty vehicles. Inside turn radii were 15 to 18 m (50 to 60 ft), which is typical of many left turns for compressed diamond interchanges, where freeway on/off ramps are brought in as close to the freeway as possible. Composite PCEs for standard light and heavy trucks are reported as 1.7 and 4.4, respectively. PCEs for specialty vehicles are given as well.

This paper appears in Transportation Research Record No. 1484, Traffic Operations: Highway Capacity. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01399797

English

p. 90-97

1995

Transportation Research Record

0309061237

Figures (3) ; References (13) ; Tables (2)

Diamond interchanges; Heavy duty trucks; Heavy vehicles; Left turns; Light trucks; Passenger car equivalence; Queuing; Turning radius

Highways; Operations and Traffic Management; I71: Traffic Theory

TRIS, TRB, ATRI

Nov 21 1995 12:00AM

• APPROXIMATION OF PERCENTAGE TIME DELAY WITH LOCAL MEASUREMENTS
• CAPACITY FOR RIGHT TURN ON RED
• CAPACITY OF ONE-WAY YIELD-CONTROLLED INTERSECTIONS
• DELAYS AT OVERSATURATED UNSIGNALIZED INTERSECTIONS BASED ON RESERVE CAPACITIES
• DEVELOPMENT OF SAFETY-BASED LEVEL-OF-SERVICE CRITERIA FOR ISOLATED SIGNALIZED INTERSECTIONS
• DEVELOPMENT OF SPEED-FLOW RELATIONSHIPS FOR INDONESIAN RURAL ROADS USING EMPIRICAL DATA AND SIMULATION
• METHODOLOGY FOR ASSESSING DYNAMICS OF FREEWAY TRAFFIC FLOW
• PROBABILISTIC NATURE OF BREAKDOWN AT FREEWAY MERGE JUNCTIONS
• RECONCILING ESTIMATED AND MEASURED TRAVEL TIMES ON URBAN ARTERIAL STREETS
• SIMULATION-BASED APPROACH TO EVALUATING OPTIMAL LANE STAFFING REQUIREMENTS FOR TOLL PLAZAS
• UNSIGNALIZED INTERSECTION CAPACITY AND LEVEL OF SERVICE: REVISITING CRITICAL GAP (WITH DISCUSSION AND CLOSURE)
• UTILIZATION OF AUXILIARY THROUGH LANES AT SIGNALIZED INTERSECTIONS