01337889

Component

As an efficient incident management approach, the freeway service patrol program has gained wide popularity in respect to its effectiveness of fast incident detection, rapid response and quick incident clearance. However, recent budget cuts have increased the need to develop systematic planning procedures of the program to ensure appropriate resource allocation and achieve maximum benefits within the budget limits. A discrete event simulation model in Arena was developed to model the patrol process that includes districting, incident generation, and response vehicle dispatching and routing. The Interstate-95 freeway in South Florida was used as a model application example and the optimization results show improved performance compared to the even length districting used before and the currently applied even activities districting. Besides the traditional roving scheme, the model also has the capability to investigate the pre-positioning schemes. Impact of the operation parameter settings was assessed through the sensitivity analysis. The application example presented in this study indicates that the model could produce valuable results to streamline the patrol program, and could be applied to new freeway service patrol program planning, as well as operation evaluation.

01329018

11-0645

English

13p

2011

Transportation Research Board 90th Annual Meeting

DVD

Figures (3) ; Maps (1) ; References (21) ; Tables (6)

Budgeting; Costs; Disasters and emergency operations; Dispatching; Emergency response time; Freeway service patrols; Freeways; Highway safety; Incident management; Optimization; Planning; Traffic incidents

Roving patrol services

Highways; Operations and Traffic Management; Safety and Human Factors; I73: Traffic Control; I85: Safety Devices used in Transport Infrastructure

Transportation Research Board Annual Meeting 2011 Paper #11-0645

TRIS, TRB

Feb 17 2011 5:31PM