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Missouri DOT’s V2V-Enabled Truck Mounted Attenuator Leader-Follower System Was Estimated to Cost $301,485 Per Unit, Considering System Integration, Maintenance and Support, and Training Costs.

Protecting the safety of work zone workers is a priority for local and state transportation agencies. Advancements in technology, such as automated leader-follower vehicle systems for truck mounted…
Content type
System Cost
Made Public Date
01/31/2024
Taxonomy (ARC-IT) Work Zone Management (MC06)
Geolocation links
Kansas City, Missouri, United States

Field Testing of Automated Truck-Mounted Attenuators (ATMA) in Mobile Work Zones in Gainesville, Florida Reveals an Estimated Crash Savings of $273,080 When Deployed instead of Traditional Truck-Mounted Attenuators.

METHODOLOGY In this project, FDOT’s Gainesville maintenance and regional transit system bus depot was selected as the closed loop site, where a total of 26 test cases were designed to test safe…
Content type
Benefit
Date Posted
06/30/2023
Taxonomy (ARC-IT) Work Zone Management (MC06)
Geolocation links
Gainesville, Florida, United States   |   Missouri, United States

Field Study Using Speed Trailer With Red and Blue Lights Resulted in Over 50 Percent Speed Reduction in a Work Zone in the St. Louis Region During Daytime and Nighttime.

METHODOLOGY A field study was conducted to collect and analyze approximately four weeks of data from a work zone on I-270 westbound, spanning from the Lindbergh Boulevard interchange to Dunn Road…
Content type
Benefit
Date Posted
03/31/2023
Taxonomy (ARC-IT) Work Zone Management (MC06), Reduced Speed Zone Warning / Lane Closure (VS09)
Geolocation links
St. Louis, Missouri, United States

Driver Simulator Study Showed 12.9 Percent Increase in Vehicle Speeds and 30.1 Percent Decrease in Headway Distances for A Two-truck Platoon After Automated Truck Platooning Training.

METHODOLOGY For the driver simulator tests, participants were asked to start in the right lane while approaching a work zone involving a right lane closure. As the subject-driven vehicle…
Content type
Benefit
Date Posted
05/28/2022
Taxonomy (ARC-IT) Carrier Operations and Fleet Management (CVO01), Cooperative Adaptive Cruise Control (VS14), Automated Vehicle Operations (VS16)
Geolocation links
Missouri, United States

Educate Drivers on Automated Truck Platooning Systems and Signage to Increase Travel Speed and Throughput.

Influence the behavior of drivers interacting with automated truck platoons and facilitate efficient throughput by teaching drivers about platoons. In all cases for the educated…
Content type
Lesson
Date Posted
05/28/2022
Taxonomy (ARC-IT) Carrier Operations and Fleet Management (CVO01), Cooperative Adaptive Cruise Control (VS14), Automated Vehicle Operations (VS16)
Geolocation links
Missouri, United States

Enable Local Data Storage on Smart Work Zone Mobile Applications to Avoid Over-Reliance on Internet Access For Work Zone Sites In Dead Zones.

Consider limitations of the app such as over-reliance on internet access. When construction work zones take place in rural areas where internet access is limited, the app should still work offline.…
Content type
Lesson
Date Posted
12/17/2021
Taxonomy (ARC-IT) Work Zone Management (MC06), Integrated Decision Support and Demand Management (TM09)
Geolocation links
Columbia, Missouri, United States

Intersection Conflict Warning Systems Installed at 93 Unsignalized Rural Intersections in Multiple States Had Estimated Benefit-to-Cost Ratios Ranging from 16 to 39.

METHODOLOGY In order to account for potential selection bias and regression-to-the-mean, an empirical Bayes before–after analysis was conducted, using reference groups of similar four-legged, rural…
Content type
Benefit
Date Posted
11/24/2021
Taxonomy (ARC-IT) Winter Maintenance (MC04), Weather Information Processing and Distribution (WX02)
Geolocation links
Minnesota, United States   |   Missouri, United States   |   North Carolina, United States

Intersection Conflict Warning Systems Should Avoid Using Messages Such as “Traffic Approaching When Flashing” Since the Signs May Not Always Flash.

Based on the installation details of ICWS provided by Minnesota, Missouri, and North Carolina, the following lessons are summarized: Expect operational challenges. Especially for prototype systems,…
Content type
Lesson
Date Posted
11/24/2021
Taxonomy (ARC-IT) Intersection Safety Warning and Collision Avoidance (VS13)
Geolocation links
Minnesota, United States   |   Missouri, United States   |   North Carolina, United States
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

1200 New Jersey Avenue, SE
Washington, DC 20590

its.dot.gov

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U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
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