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Best Practices for Road Weather Management Version 2.0

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Title:

I-75 Fog Detection/Warning System

Abstract:

This document describes a fog-prone area on I-75 in Tennessee near the Hiwassee River, discusses multi-vehicle crashes that have occurred in the area, as well as planning and design of a fog detection and warning system that reduces speed limits based on visibility distance.

Source(s):

FHWA, Tennessee Division. For an electronic copy of this resource, please direct your request to WeatherFeedback@dot.gov.

Date: 1995

Author:

Jensen

Keywords:


Motorist warning system
Costs
Environmental Sensor Station (ESS)
Dynamic Message Sign (DMS)
Highway Advisory Radio (HAR)
Gates
Vehicle detection
Variable Speed Limit (VSL)
Speed
Safety
Decision support
Visibility
Traveler information
Access control
Traffic control

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