Changes and Upgrades (56 unique lessons found)

Open communication and transparency: Recommendations to avoid sticker shock from the Minnesota DOT.
A report performed by the University of Minnesota evaluated the impact of federal and state funding on local spending on highways, and issued recommendations to smooth the process.

Proposed algorithm minimizing overall travel time found to be most efficient for managing dynamic express-lane fares.
The algorithm, which was evaluated against other proposed schema, was shown to be effective and resilient to a variety of traffic environments.

In order to address federal, state, and local open records laws, agencies recommend specifying a data-sharing plan when acquiring crowdsource data.
A synthesis of state and regional agency experience acquiring proprietary data for transportation applications.

Connected vehicle deployers should assess field equipment and organizational capabilities that will be needed to support core CV components.
Lessons Learned from the Design/Build/Test Phase of the USDOT's Connected Vehicle Pilot Program.

Infrastructure integrating the next generation internet standard (IPV6) is crucial to support the future growth of connected vehicle networks.
Lessons Learned from the Design/Build/Test Phase of the USDOT’s Connected Vehicle Pilot Program.

Cross-validate data streams and identify areas where automated processes can reduce workloads to efficiently and effectively manage traveler information.
The best-practices report from Caltrans identifies key strategies to handle and process data on a state-wide scale.

Develop collaborations with probe and crowdsourced data platforms to manage traffic in real-time, make better infrastructure decisions, and provide accurate and relevant travel information directly to citizens.
This report presents challenges, opportunities, and lessons learned from the Port Authority of New York and New Jersey’s experience establishing a program collaboration with third parties and use of crowdsourced data through Waze’s Connected Citizens Program.

To minimize emissions, adhere to high performance design specifications.
The report, performed by the Connecticut Academy of Science and Engineering, identified key modernization techniques to minimize the overall carbon footprints of the agency's rolling stock and facilities.

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"

Recalibrate parking rate adjustment models when changes to parking policies and regulations may affect non-payment behavior.
San Francisco Municipal Transportation Agency’s (SFMTA) experience managing a large-scale demand-responsive parking system.

Automate collection of parking occupancy data when traditional parking surveys lack resolution and sample size to support large-scale demand-responsive parking management systems.
San Francisco Municipal Transportation Agency’s (SFMTA) experience managing a large-scale demand-responsive parking system.

Clearly communicate requirements and testing procedures to connected vehicle device developers, and allow for industry input and iteration for less mature devices.
Experience from fostering the development of connected vehicle devices for the Safety Pilot Model Deployment in Ann Arbor, Michigan.

Design blind spot warning systems to minimize false alarms.
Promising technologies for commercial motor vehicles (CMVs) in North Carolina.

Plan to recalibrate traffic sensors to accommodate lane shifts and other changes near work zones.
Experience using multi-jurisdictional ITS to support freeway work zone operations.

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

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.

Plan for logistical and operational issues prior to project implementation.
Wisconsin Department of Transportation’s experience implementing ITS support equipment and technologies.

Consider the impact fees have on parking behavior.
Experience from the smart parking field test at the Rockridge, Oakland BART station.

Anticipate ongoing modifications to transit communication systems when integrating a Transportation Management Center with Computer Aided Dispatch systems.
Utah's experience with integrating a Transportation Management Center with Computer Aided Dispatch systems.

Develop a user-oriented system for displaying travel time messages on dynamic messages signs.
Four American Cities' experiences with Travel Time Messaging on Dynamic Message Signs.

Implement ATIS technology in a way that supports the maintenance staff.
Washington's experience in deploying five Advanced Traveler Information System (ATIS) projects and developing a standardized approach for evaluating ATIS projects.

Engage in active management of managed lanes projects.
The experience of managed lanes projects in California, Texas and New Jersey.

Establish and follow a comprehensive project plan in anticipation of the deployment of ITS resources.
Five rural transit agencies' experiences in applying ITS to rural transit.

Expect that new technology will require modifications before it is useable.
A Washington State experience with testing of electronic container door seals (E-seal) through a freight supply chain.

Design and tailor system technology to deliver information of useful quality and quantity, that the user can reasonably absorb.
Virginia's experience implementing a pilot automatic vehicle location (AVL) system in an urban winter maintenance operations setting

Make system maintenance response time and local presence a priority when selecting a systems integrator.
Ventura County’s experience with an transit fare collection system integration.

Anticipate challenges with the ITS technology being tested, including problems with software modification and adaptation of previously developed technology.
A Washington State Department of Transportation’s experience with testing of new variable speed limit technology to reduce winter accidents on a mountain pass.