01336824

Component

https://doi.org/10.3141/2259-03

http://scholar.google.com...lock&publication_year=2011

Decisions on whether to coordinate adjacent intersections are currently made by rules of thumb and couple indices that are based on ratios of volume to distance with modeled traffic flows. As high-resolution event data from signalized intersections become more readily available, it becomes possible to analyze actual link vehicle flows to better characterize whether (and when) signal coordination is desirable. This paper proposes and demonstrates a methodology that uses peer data obtained from adjacent intersections to assess opportunities to improve arterial progression if a noncoordinated system is coordinated. The beginning of green from the upstream intersection was combined with vehicle arrival times from a downstream intersection to characterize whether vehicles were likely to arrive in consistent platoons at the downstream signal. The peer data–based methodology was used to investigate the benefits of extending a coordination plan to a system running without coordination during a late-night period. A case study of a fully actuated late-evening timing plan on an arterial identified opportunities for potential benefits from coordination; the implementation of a timing plan for an adjacent time period reduced travel times by approximately 1 min in both directions on the arterial.

01364838

11-0037

English

pp 23-36

2011

Transportation Research Record: Journal of the Transportation Research Board

9780309222952

Print

Figures (12) ; References (40)

Arterial highways; Case studies; Decision making; Signalized intersections; Traffic data; Traffic signal control systems; Traffic signal timing; Travel time

Highways; Operations and Traffic Management; I73: Traffic Control

TRIS, TRB

Feb 17 2011 5:18PM

• Automated Intersection Control: Performance of Future Innovation Versus Current Traffic Signal Control
• Comparison of Alternative Real-Time Performance Measures for Measuring Signal Phase Utilization and Identifying Oversaturation
• Computational Efficiency of Alternative Algorithms for Arterial Offset Optimization
• Design of Intergreen Times Based on Safety Reliability
• Detection of Stop Bar Traffic Flow State
• Detection Performance of Wireless Magnetometers at Signalized Intersection and Railroad Grade Crossing Under Various Weather Conditions
• Development and Evaluation of Optimal Arterial Control Strategies for Oversaturated Conditions
• Estimating Signalized Intersection Delays to Transit Vehicles: Using Archived Data from Automatic Vehicle Location and Passenger Counting Systems
• Evaluating Robustness of Signal Timings for Varying Traffic Flows
• Heuristic Algorithm for Priority Traffic Signal Control
• Heuristic Approach for Estimating Arterial Signal Phases and Progression Quality from Vehicle Arrival Data
• Improving Safety and Mobility at High-Speed Intersections with Innovations in Sensor Technology
• Integrated Control of Freeway Interchange Model Based on Enhanced Cell Transmission Model
• Intelligent Traffic Signal System for Isolated Intersections: Dynamic Pedestrian Accommodation
• Modeling Variability of Urban Travel Times by Analyzing Delay Distribution for Multiple Signalized Intersections
• New Evidence of Improvements in Dilemma Zone Protection by Detection-Control System
• Predictive Priority for Light Rail Transit: University Light Rail Line in Salt Lake County, Utah
• Quantifying Dynamic Factors Contributing to Dilemma Zone at High-Speed Signalized Intersections
• Quantifying the Benefit of Retiming Traffic Signals Through Multiple Regression
• Reliability, Flexibility, and Environmental Impact of Alternative Objective Functions for Arterial Offset Optimization
• Traffic Signal Optimization with Application of Transit Signal Priority to an Isolated Intersection
• Turn Pocket Blockage and Spillback Models: Applications for Signal Timing and Capacity Analysis
• Visual Education Tools to Illustrate Coordinated System Operation