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Pilot Implementation of Active Work Zone Awareness Devices at Seven Study Sites in Florida Increased Safe Driving Behavior by 44 Percent and Reduced Risky Driving Behavior by 43 Percent.

METHODOLOGY The data collection process utilized two devices: a smart sensor which records vehicle speed per lane, and a camera which is used to document traffic conditions, traffic signal…
Content type
Benefit
Date Posted
08/31/2023
Taxonomy (ARC-IT) Work Zone Management (MC06), Work Zone Safety Monitoring (MC07)
Geolocation links
Tampa, Florida, United States

Artificial Intelligence based Roadway Safety and Work Zone Detection Technology in Nevada Uncovered 20 Percent More Crashes Than Previously Reported and Reduced Crash Response Times by Nine to Ten Minutes on Average.

METHODOLOGY The AI platform was used to analyze real-time data collected from a variety of sources including in-vehicle navigation devices, road-side traffic detectors, a smartphone navigation app…
Content type
Benefit
Date Posted
04/21/2022
Taxonomy (ARC-IT) Work Zone Management (MC06), Work Zone Safety Monitoring (MC07), Emergency Call-Taking and Dispatch (PS01), Emergency Response (PS02), Speed Warning and Enforcement (TM17)
Geolocation links
Nevada, United States

Incorporate Probe Data to Expand the Range of Smart Work Zones and Provide Measurements from Locations Beyond the Range of the Sensors.

Expand the range of work zones by using probe data to fill in detection gaps. Incorporating probe data with sensor data can provide more accurate queue warnings, reduce work zone safety costs, and…
Content type
Lesson
Date Posted
12/27/2021
Taxonomy (ARC-IT) Incident Scene Safety Monitoring (PS07), In-Vehicle Signage (TI07), Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01), Reduced Speed Zone Warning / Lane Closure (VS09), Work Zone Safety Monitoring (MC07)
Geolocation links
North Carolina, United States

An Evaluation of Three Work Zone Intrusion Alarm Systems in California Provided Suggestions to Enhance Visual, Sound, and Sensor Components.

The lessons learned from the project are summarized for the WZIA systems evaluated.  Provide a visual alert and include multiple speakers and volume control to improve sound levels in all…
Content type
Lesson
Date Posted
09/28/2021
Taxonomy (ARC-IT) Incident Scene Safety Monitoring (PS07), In-Vehicle Signage (TI07), Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01), Reduced Speed Zone Warning / Lane Closure (VS09), Work Zone Safety Monitoring (MC07)
Geolocation links
Sacramento, California, United States

Alternative Work Zone Intrusion Alarm (WZIA) Systems in California Range in Cost from $4,630 to $11,100 per Half-Mile.

A work zone intrusion alarm (WZIA) system was tested to improve the safety of the current Caltrans Standard Plans for traffic control in work zones in Sacramento, California. The objective of this…
Content type
System Cost
Made Public Date
09/28/2021
Taxonomy (ARC-IT) Incident Scene Safety Monitoring (PS07), In-Vehicle Signage (TI07), Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01), Reduced Speed Zone Warning / Lane Closure (VS09), Work Zone Safety Monitoring (MC07)
Geolocation links
Sacramento, California, United States

Tennessee Study Found Work Zone Intrusion Alert (WZIA) Technologies Using Cone Mountable Sensor Lamps Were Most Applicable for Long-Term Stationary Work Zones.

The report presents the following recommendations on suitable use cases for three selected WZIA technologies based on multicriteria analysis consisting of capital cost, performance accuracy, safety…
Content type
Lesson
Date Posted
08/25/2021
Taxonomy (ARC-IT) Work Zone Safety Monitoring (MC07)
Geolocation links
Tennessee, United States

Field Testing Showed That Sound Alarms from Work Zone Intrusion Alert Systems Should Be Distinctive and Long in Duration with a Level of at Least 110 dB When Located 50 Feet Away.

The following recommendations were highlighted in the source document. SOUND LEVEL AND TYPE Based on the quantitative data collected and analyzed, the research team recommends that the sound alarm…
Content type
Lesson
Date Posted
01/22/2021
Taxonomy (ARC-IT) Work Zone Safety Monitoring (MC07)
Geolocation links
Columbia County, Oregon, United States   |   Hood River County, Oregon, United States   |   Wasco County, Oregon, United States
ITS Deployment Evaluation

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