Cooperative Intersection Collision Avoidance Systems (33 unique lessons found)

Provide commuters with predictive traffic measures to improve trip planning and reduce congestion during peak hours.
Santa-Clara County experience with intelligent traffic signals, real-time traffic data, intersection surveillance systems, and cloud technology with edge computing.

Greater adoption of CAV may result in long-term benefits but mid-term fluctuations for costs and congestion, according to predictive model.
A simulation model evaluated the potential impacts of increasing connected and automated vehicle (CAV) market penetration.

USDOT Identifies Effective Ownership and Governance Model Areas of Interest for a Full-Scale SCMS deployment for Connected Vehicles.
USDOT-sponsored Security Credential Management System (SCMS) Deployment Governance and Ownership Workshop analyzes what it will take to establish a full-scale SCMS and governance entity to enable widespread connected vehicle deployment.

Perform robust observations at intersections before determining whether red-light cameras should be installed.
Understanding whether red-light cameras would be a useful in the first place.

Best practices to support the arrival of smart mobility for non-urban communities.
Ohio's 33 Smart Mobility Corridor demonstrates how smaller cities can leverage intelligent transportation technology to improve congestion, safety, and employment access.

RSU triangulation techniques and inertial GPS solutions can improve geolocation accuracy for connected vehicles operating in dense urban environments.
New York City CV Pilot considered location correction solutions to address GPS positioning challenges associated with the cities "urban canyons"

Perform early real-world testing of connected vehicle technology with actual infrastructure in place to verify end-to-end system/application performance
U.S. Department of Transportation Free Public Webinar Series on the Connected Vehicle Pilot Sites System Design Process

Integrate stop and caution warning signage into heads-up displays to help older drivers brake sooner for potential hazards.
Older drivers are over-represented in urban crashes, a German study found that in-vehicle driver warning systems could help with this problem.

Deploy arterial travel time detection systems incrementally to allow time to identify issues and fine-tune performance.
A review of arterial travel time technology in the United States and the United Kingdom

Separately deploying mileage-based user fee and in-vehicle safety alert functions helps ensure each technology has the best opportunity for user acceptance.
The 500-participant Minnesota Road Fee Test Study investigated technologies to charge mileage-based user fees and improve compliance with traffic control devices.

Beware that modeling may not be a suitable substitute for before-after studies of ITS integration projects.
Experience from Minnesota's Traveler Information Guidance and Emergency Routing (TIGER) Project.

Include driver age, time of day, and intersection characteristics in the design of red light violation algorithms and warning systems, and their field operational tests.
Knowledge gained from an analysis of four years of red light violation data gathered from 11 signalized intersections in Sacramento, California

Identify a single agency to be responsible for maintenance of an emergency vehicle preemption system.
The experience of multiple agencies with emergency vehicle preemption systems.

Implement infrastructure-based collision avoidance technology to mitigate risks at crash prone intersections.
A research project based on literature reviews and working with Virginia, California, and Minnesota.

Follow a modular approach when deploying complex projects in locations with a shortened construction season.
Experience from the Integrated Corridor Traffic Management Project in Minnesota