Lessons

Latest Lessons Learned Updates

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.
Date Posted: 11/24/2021 | Source Date:
Leverage Relative Accuracy of GPS for Detecting Lane Departure and Road Direction.
Date Posted: 11/24/2021 | Source Date:
Leverage Existing Adaptive Signal Control Systems Data to Create a Foundation for Building Real-Time Performance Measures to Better Manage Operations.
Date Posted: 11/24/2021 | Source Date:
Intersection Conflict Warning Systems Should Avoid Using Messages Such as “Traffic Approaching When Flashing” Since the Signs May Not Always Flash.
Date Posted: 11/24/2021 | Source Date:
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.
Date Posted: 11/23/2021 | Source Date:
Account for Site-Specific Objectives and Conditions When Selecting Sensors for Dynamic Passive Pedestrian Detection.
Date Posted: 11/22/2021 | Source Date:
Install Traffic Cameras Near and Above Intersection Centers to Improve System Detection and Tracking Accuracy.
Date Posted: 10/30/2021 | Source Date:
For Arterial Signals Surrounding Newly Installed Ramp Meters, Use Time-of-Day Plans That Are Checked As Needed Every Three to Six Months over the First 1.5 Years.
Date Posted: 10/29/2021 | Source Date:
Present Drivers with Downstream Speed Information Using Smart Work Zone Systems to More Effectively Control Driving Behavior in Work Zones.
Date Posted: 10/29/2021 | Source Date:
Signage such as “Keep Lane Assist On” is Recommended for All Levels of Vehicle Automation, Especially for Lower Levels of Automation.
Date Posted: 10/27/2021 | Source Date:
ITS Deployment Evaluation

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