Displaying 141 - 150 of 1069 Lessons

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Operate Test Vehicles at Varying Speeds to Ensure Proper Configuration of Wrong-Way Driving Prevention Systems.

Check the camera angle of the detection component and test different vehicle speeds for detection of Wrong-Way Drivers.  A few missed detections were found during test speeds of 30 and 40 mph.…
Content type
Date Posted
11/29/2021

Visualization Tools that Integrate Automated Vehicle Location (AVL) Data and On-board Device Monitoring Equipment Can Help Snowplow Supervisors Make Timely Decisions and Improve Winter Maintenance Operations.

The following are lessons learned on the processing and integration of AVL data for the snowplow fleet. Integrate large data streams to a common reference and create visualizations to display…
Content type
Date Posted
11/24/2021

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
Date Posted
11/24/2021

Leverage Existing Adaptive Signal Control Systems Data to Create a Foundation for Building Real-Time Performance Measures to Better Manage Operations.

The lessons learned from this project can be summarized as follows: Leverage existing  adaptive traffic control systems data to create a foundation for building real time performance measures…
Content type
Date Posted
11/24/2021

Leverage Relative Accuracy of GPS for Detecting Lane Departure and Road Direction.

Below are the lessons that can be taken from this study:  Relative accuracy of a standard GPS receiver can be leveraged for detecting lane departures. Although the error in absolute position…
Content type
Date Posted
11/24/2021

When Implementing Pedestrian and Bicycle Automated Count Technologies, Select and Design Sites with Widths Compatible with Detector Parameters and Avoid Unconstrained Locations to Mitigate Bypass Errors.

Place counters strategically at the site to minimize bypass errors. Careful selection for the location of counters at the site plays an important role in the ultimate accuracy of the collected count…
Content type
Date Posted
11/23/2021

To Improve Micromobility Equity, Focus on a Wide Variety of Potentially Underserved Travelers and Offer Robust Incentives to Operators.

The Los Angeles Department of Transportation (LADOT) launched a dockless micromobility pilot program in 2019. LADOT’s objective for this program was to allow dockless micromobility programs to…
Content type
Date Posted
11/30/2021