00933658

Component

https://doi.org/10.3141/1796-09

http://scholar.google.com...sser&publication_year=2002

Guidelines were developed for designing freeway on-ramps in which ramp metering is envisioned. More specifically, design issues were probed for ramps in which the ramp meter utilizes a queue detector to identify and prevent a queue of vehicles from blocking the upstream intersection. First, the benefits of ramp metering operation were delineated, and general design considerations were then drawn up. Finally, design criteria were developed for three distance requirements for freeway on-ramps: safe stopping distance, storage distance, and acceleration distance.

This paper appears in Transportation Research Record No. 1796, Geometric Design and the Effects on Traffic Operations 2002.

English

p. 80-85

2002

Transportation Research Record

0309077214

Figures (6) ; References (8) ; Tables (2)

Design; Detectors; Freeways; Guidelines; On ramps; Ramp metering; Stopping distances; Traffic queuing

Acceleration distance; Storage distance

Design; Highways; Planning and Forecasting; I21: Planning of Transport Infrastructure

TRIS, TRB, ATRI

Nov 7 2002 12:00AM

• INFLUENCE OF VERTICAL ALIGNMENT ON HORIZONTAL CURVE PERCEPTION: PHASE I: EXAMINING THE HYPOTHESIS
• INFLUENCE OF VERTICAL ALIGNMENT ON HORIZONTAL CURVE PERCEPTION: PHASE II: MODELING PERCEIVED RADIUS
• INTERVEHICLE SPACINGS AND QUEUE CHARACTERISTICS
• METHODOLOGY TO CALCULATE SIGHT DISTANCE AVAILABLE TO DRIVERS AT SKEWED INTERSECTIONS
• OPERATIONAL EFFECTS OF U-TURNS AS ALTERNATIVES TO DIRECT LEFT TURNS FROM DRIVEWAYS
• RELATIONSHIP OF DESIGN, OPERATING, AND POSTED SPEEDS ON HORIZONTAL CURVES OF RURAL TWO-LANE HIGHWAYS IN NEBRASKA
• SAFETY EVALUATION PROCESS FOR TWO-LANE RURAL ROADS: A 10-YEAR REVIEW
• SELECTION OF DESIGN SPEED VALUES
• THREE-DIMENSIONAL VISUALIZATION APPROACH TO ILLUSTRATING ESTHETIC CONCEPTS FOR HIGHWAY DESIGN