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Survey Results from a Fully Automated Shuttle Service in Gainesville, FL with 42 Participants with Disabilities Showed an Increase in Automated Vehicle Acceptance After Riders Experienced the Technology.

METHODOLOGY In the study of the AVUPS, researchers enlisted participants with assistance from various stakeholders, including centers and facilities for PWDs, as well as community hubs like libraries…
Content type
Date Posted
11/29/2023

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
Date Posted
06/30/2023
Taxonomy (ARC-IT) Work Zone Management (MC06)

Automated and Connected Vehicles Tested with Real-time Intersection Optimizer Resulted in User Delay Reductions Between 7.7 and 14.1 Seconds.

METHODOLOGY For the simulation case study, the average network delay improvement (the actuated delay minus the RIO Signal Solver delay) was assessed for 12 scenarios with four demand patterns,…
Content type
Date Posted
02/20/2023

Advanced Driver Assistance System Implementation on Buses in Florida Led to an Average 34 Percent Reduction in Detected Conflicts.

METHODOLOGY The ADAS operated in stealth mode between January 4 and March 4, 2019, during which drivers did not receive alerts ("before" period). The system then operated in active mode between…
Content type
Date Posted
10/21/2022

Mobile Application Alerting Drivers Traveling Above School Zone Speed Limit Reduces Speeding Probability up to 35 Percent.

METHODOLOGY This project involved an experimental study conducted in Gainesville, FL in 2019 to evaluate a commercially available speed-monitoring smartphone app. Trajectory and eye-tracking data…
Content type
Date Posted
10/26/2021

Smartphone-Based School Zone Alert Application Lowered Probability of Speeding in All Four Tested Locations.

Methodology Four school zones equipped with beacons were selected for inclusion in a 5.7-mile driving circuit, and 50 participants drove through the circuit twice in an instrumented vehicle with the…
Content type
Date Posted
02/23/2021

Deployment of special event signal timing plans has reduced queuing onto travel lanes of I-75 before events and reduced time for traffic to disperse after events to 90 minutes from 3 to 4 hours.

The city of Gainesville, Florida, where the University of Florida is located, has special signal timing plans for special events. In order for these plans to work, all traffic controllers in the city…
Content type
Date Posted
05/27/2016

Signal retiming projects in several U.S. and Canadian cities decreased delay by 13 to 94 percent, and improved travel times by 7 to 25 percent.

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RESULTS A synthesis of various traffic signal retiming projects across the U.S. and Canada revealed that: Delays can decrease by 13 to 94 percent. Travel time can fall by 7 to 25 percent.…
Content type
Date Posted
01/19/2007

Signal retiming projects in several U.S. and Canadian cities reduced fuel consumption by 2 to 9 percent.

Content references source material no longer available at its original location.
RESULTS A synthesis of various traffic signal retiming projects across the U.S. and Canada revealed that: Fuel consumption can decrease by 2 to 9 percent. Below are a few examples of successful…
Content type
Date Posted
01/19/2007

Avoid Deploying Automated Truck-Mounted Attenuators (ATMA) on roundabouts or unconventional intersection designs Until further research and testing is done to successfully navigate through difficult pathways.

Recognize that operator training is essential and critical. The operation of ATMA relies on a two-vehicle setup involving a human-driven lead vehicle. The decisions made by the lead vehicle's driver…
Content type
Date Posted
06/30/2023
Taxonomy (ARC-IT) Work Zone Management (MC06)

Deploy Intersection Roadside Computers that Can Handle the Highly Demanding Pipeline for Real-time LiDAR Processing.

The lessons learned from the deployment of the RIO system were from development experiences, and the performance of the system with respect to the project goals and effects on vehicular and…
Content type
Date Posted
02/24/2023

Modify Boundaries by Direction and Use High Resolution GPS to Create Better Geo-Fencing for School Zone Speed Monitoring Mobile Applications.

Modify school zone boundaries by direction and use high resolution GPS for higher lane-level precision to prevent false alerts. School zone boundaries are generally staggered in two directions (the…
Content type
Date Posted
10/26/2021

The Estimated Technology Procurement and Deployment Cost of an Automated Truck-Mounted Attenuator System for Mobile Work Zone Operations was $295,000.

Automated Truck-Mounted Attenuators (ATMA) offer potential benefits for safety and operational improvements in mobile work zones by eliminating the need for a worker to operate an impact protection…
Content type
Made Public Date
07/26/2023
Taxonomy (ARC-IT) Work Zone Management (MC06)

Advanced Driver Assistance System Implemented on Florida Buses Included an Initial Cost of $8,900 and $240 Annually.

Advanced Driver Assistance Systems (ADAS) have the potential to decrease crash risks or conflicts associated with public transit operations, which could lead to a safer, more efficient, and…
Content type
Made Public Date
01/26/2023