Beware that software development for ITS projects can be utterly complex, which demands avoiding pitfalls by following a rigorous systems engineering process.
Experience from iFlorida Model Deployment

Incorporate contractual provisions to conduct on-site traffic signal hardware and software demonstration testing and provide sufficient project oversight to ensure vendors meet agency requirements.
Experience implementing an ATMS in Fort Collins, Colorado.

Expect non-custom hardware and software to have technology limitations that may affect operational capabilities.
The Chicago, Illinois and Montgomery County, Maryland experience in procuring and developing advanced parking information system hardware and software.

Consider and evaluate user needs when designing communication infrastructure.
Experience from the smart parking field test at the Rockridge, Oakland BART station.

Thoroughly test, evaluate, and maintain animal detections systems.
Montana and Pennsylvania's experience with deploying animal detection systems.

Incorporate proven technologies and false alarm reduction strategies in the design of future Automotive Collision Avoidance Systems (ACAS).
Experience from a Field Operational Test (FOT) in Michigan to evaluate an Automotive Rear-End Collision Avoidance System.

Recognize staffing and communication needs for Advanced Traveler Information Systems (ATIS) projects.
Experience from the Pennsylvania Turnpike Commission.

Recognize integration issues in Advanced Traveler Information Systems (ATIS) Projects, and follow the systems engineering approach to establish a project's foundation.
Experience from the Pennsylvania Turnpike Commission.

Conduct rigorous testing prior to deployment of an emergency preemption system to avoid potential problems and negative system impacts.
The experience of multiple agencies with emergency vehicle preemption systems.

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.

Expect to spend time and effort in testing and refining the voice recognition features of a 511 system.
An Arizona Department of Transportation experience in 511 implementation.

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.

Treat system operators as the client and consider their perspectives during ATIS project development.
Washington's experience in deploying five Advanced Traveler Information System (ATIS) projects and developing a standardized approach for evaluating ATIS projects.

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.

Develop early deployment and rapid prototyping strategies to improve the project development process.
Virginia DOT’s experience integrating data from public works and public safety agencies.

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.

Involve agency staff in the software development process by co-locating them with the development team.
Utah DOT’s experience using configuration management.

Develop a thorough installation and implementation process as part of the ITS deployment.
Five rural transit agencies' experiences in applying ITS to rural transit.

Recognize the data requirements of an Advanced Public Transportation System (APTS).
Experience from the Cape Cod Advanced Public Transit System.

Establish a strong acceptance testing program, with independent code reviews, for ITS projects with software product deliveries.
A Washington State Department of Transportation implementation of a regional ATMS.

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.

Use task order contracts to develop, deploy, and maintain traffic signal control systems.
An experience based on the synthesis of best practices nationwide.

Select appropriate technologies to enable emergency notification and response systems to complement traditional 9-1-1 service.
Colorado and Washington’s experience with emergency notification and response systems.