Benefit

In lieu of installing traditional emergency vehicle pre-emption (EVP) systems at every major intersection in San Jose, the city opted to integrate GPS fleet tracking with an existing network of advanced traffic signal controllers to save $8 million in hardware installation and maintenance costs.

This paper compared the cost of a traditional emergency vehicle pre-emption (EVP) to a centralized solution implemented in San Jose.


4-7 June 2018
San Jose; California; United States


Summary Information

The City of San Jose implemented a more cost-effective centralized emergency vehicle preemption (EVP) system that leveraged existing infrastructure, communications, and software systems and eliminated the need for costly field hardware installation and maintenance at intersections throughout the city.

Centralized emergency vehicle pre-emption changed the overall method of how a pre-emption request was handled in the City. The information flow was re-directed. Instead of using equipment on each emergency vehicle to communicate with intersections individually, emergency vehicles communicated with a central control system. The central system preempted signal control at individual intersections based on the GPS position of emergency vehicles and their priority as they responded to an incident.

FINDINGS

Such a centralized emergency vehicle pre-emption system cost only $1 million, as opposed to the $9 million that would have been needed to install and maintain traditional preemption request equipment at each intersection (an $8 million cost-savings).

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Source

Expanding the capabilities of your Traffic Signal Management System by centralizing emergency vehicle pre-emption management

Author: Saville, Ryan (TransCore); Ho Nguyen (City of San Jose)

Published By: Paper presented at the 2018 ITSA Annual Meeting

Source Date: 4-7 June 2018

URL: https://static1.squarespace.com/static/59c3ed7b197aeabbd2a51a3b/t/5b2a518803ce6421e6c61b4e/1529500041182/TS20_Paper15500.pdf

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Goal Areas

Productivity

Typical Deployment Locations

Metropolitan Areas

Keywords

preempt, emergency preemption, traffic signals, EVP, transportation system, emergency vehicle pre-emption, traffic signal operations

Benefit ID: 2018-01302