High-Level Design (95 unique lessons found)

Use current SAE, IEEE, and NTCIP standards with systems engineering content to control architecture and design activities for a connected vehicle network.
Experiences from the Wyoming Department of Transportation's (WYDOT) Connected Vehicle Pilot Deployment System Design Phase.

Use a local SQL Lite database with positional data to improve the performance of GIS applications
Evaluation of the Wyoming DOT's Road Condition Reporting Application

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.

When implementing congestion pricing, considerations must be made for the impact dynamic tolling will have on travel choice and behavior among a specific region and/or corridor’s travelers.
Seattle/Lake Washington Corridor (S/LWC)’s Urban Partnership Agreement (UPA) corridor users’ experiences with congestion pricing and its impact on their travel behavior.

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.

Plan adequate time to calibrate Bluetooth readers to maximize accuracy and reliability.
Experience using Bluetooth to support traffic mobility monitoring in Salt Lake City.

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

Avoid unnecessarily restrictive requirements and ambiguous terms in bid documents.
Experience implementing real-time travel time information systems on I-35 in Minnesota.

Use in-vehicle audible alerts in addition to visual safety alerts to improve speed limit compliance.
A 500-participant Minnesota Road Fee Test Study investigated technologies to charge mileage-based user fees and improve compliance with traffic control devices.

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.

Implement Effective Risk Mitigation Strategies and Use Defined Success Factors to Better Manage ITS Application Development and Deployment
The USDOT evaluated Eight National ITS Application Test Sites to determine whether these projects met goals and to extract lessons learned in development and deployment.

Ensure machine vision cameras are aligned to properly detect the onset of a queue.
Experience with advanced queue detection systems in Minnesota.

Develop a Freight Transportation Data Architecture to Optimize Freight Transport .
The Transportation Research Board National Cooperative Freight Research Program assessed the benefits in developing a Freight Transportation Data Architecture.

Conduct bench testing prior to field installation of transit signal priority (TSP) equipment to verify functionality between detectors, signal controllers, phase selectors, and cabinet design.
Pilot deployment of transit signal priority in Chicago identified multiple considerations that may help inform future deployments.

Understand the Impacts on Public Sector Infrastructure due to Connected Vehicle Deployments
A survey of lessons learned through deployment of V2I test beds

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.

Draw on the strengths of complementary relationships between the public and private sectors for successful implementation of ITS projects.
The E-470 Public Highway Authority’s experience in forging public-private partnerships for design, construction, operations, and maintenance of an electronic toll highway facility.

Coordinate extensively with agency staff and vendors 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.

Build a strong partnership between transportation and public safety agencies, and establish clear operational rules from the start.
An experience operating a CAD-TMC (Computer-Aided Dispatch - Traffic Management Center) in Washington State.

Be aware of technology and training issues when pioneering new transit technologies.
Experience from the Lake Tahoe Coordinated Transit System.

Exercise careful planning in preparation for issuing an RFP to help mitigate cost, schedule, and performance risks.
The Riverside Transit Agency experience with the methods of award and terms and conditions used to procure equipment and software for automatic vehicle location (AVL) and computer-aided dispatch (CAD).

Engage in project planning and make initial decisions about the ITS procurement process.
Experience from a review of ITS contracting methods and practices. Step 1 of the Decision Model.

Adhere to the proposed standard evaluation approach in order to facilitate high response rates and to collect reliable data on 511 implementation.
Experience from Implementing a Standard Evaluation Approach and Measures as Part of the Arizona 511 Model Deployment.

Involve and collaborate with a broad range of users during software design, development, testing, and deployment to increase the return on investment.
New Mexico Department of Transportation's experience in designing and deploying a web-based software application to simplify the increasing complexity of coordinating rural transit funding.

Optimize travel time messaging operations by improving the way in which data is collected, analyzed, and displayed.
Four American Cities' experiences with Travel Time Messaging on Dynamic Message Signs.

Consider that integration with existing ITS technologies and the vendor selection process can impact project implementation schedules and costs.
Washington's experience in deploying five Advanced Traveler Information System (ATIS) projects and developing a standardized approach for evaluating ATIS projects.

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.

Consider that ATIS deployment in rural and/or remote areas presents special challenges.
Washington's experience in deploying five Advanced Traveler Information System (ATIS) projects and developing a standardized approach for evaluating ATIS projects.

Implement standardized procedures for sharing, accessing and storing transportation data across the enterprise.
Five transit systems' experiences with geographic data systems technology investment.

Provide drivers with sufficient managed lane information that can be easily disseminated and understood.
A guidance provided by the Texas Transportation Institute on providing user information in managed lanes facilities.

Include significant planning and development time in the overall project schedule to accommodate identifying and addressing the various compatibility issues, to integrate existing legacy system equipment across multiple agencies.
Orlando, Florida's experience with a Field Operational Test (FOT) on using a single smart card for transportation payments at facilities operated by multiple regional agencies.

Consider using real time traffic control system to overcome mobility and safety obstacles in a work zone.
An Illinois Department of Transportation experience using ITS in work zones.

Investigate procurement alternatives of leasing, buying, or building equipment to minimize operations and maintenance costs.
Montana Department of Transportation's experience in procuring hardware and software for the statewide 511 traveler information system.

Design the 511 system to handle the surge in call volume during major events.
A national experience with the development and deployment of 511 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.

Maximize Field Operational Test (FOT) success by creating a sound experimental design and data acquisition plan.
Experience from a Field Operational Test (FOT) in Michigan to evaluate a Roll Advisor and Control (RA&C) system for commercial vehicles.

Improve management and operational procedures during a natural disaster by extending and supporting communication systems and networks.
A Texas Department of Transportation (TxDOT) experience with Tropical Storm Allison's effect on the Houston Metropolitan Transportation system.

Design an ITS procurement process carefully to ensure the best outcome for vendor selection and performance.
Five rural transit agencies' experiences in applying ITS to rural transit.

Enable and enforce managed lane facilities using various ITS tools.
The experience of four State DOTs and Canada in enforcing managed lanes facilities.

Provide easy and low-cost access to ITS data to facilitate data usage.
National experience with ITS data archiving, sharing and usage.

Design the system to withstand the demands of the physical environment in which it will be deployed.
Virginia's experience implementing a pilot automatic vehicle location (AVL) system in an urban winter maintenance operations setting.

Use ITS Standards to achieve interchangeability and interoperability for Dynamic Message Signs.
Experience of nine agencies using Dynamic Message Signs built to NTCIP specifications.

Integrate market research in the planning process for consumer-oriented projects.
Experience in the deployment of a traveler information system for Interstate 95

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

Ensure that qualified staff with expertise in telecommunications is involved, as planning for and designing a telecommunications network is complicated.
Experiences from the Departments of Transportation (DOTS) of multiple states in selecting telecommunications options.

Consider cost-saving strategies and long term needs when making communications investments.
National experience with making communications investments for incident management.