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Systems Engineering Graphic for High-Level DesignHigh-Level Design (47 unique lessons found)

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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.

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.

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.


Related Resources:

System Design Systems Engineering for Intelligent Transportation Systems, January 2007
http://www.fhwa.dot.gov/cadiv/segb/views/document/Sections/Section3/3_5_2.htm?
bcsi_scan_AEE9EC396C942F39=0&bcsi_scan_filename=3_5_2.htm

Cost: Free

Chapter 7: Design Phase - Systems Development Life Cycle Guidance Document, Department of Justice, January 2003
http://www.usdoj.gov/jmd/irm/lifecycle/ch7.htm
Cost: Free

Buede D. M., The Engineering Design of Systems: Models and Methods, Wiley Inter-Science, 2000
Cost: (price may range from $54 - $110 depending on retail source)

Martin, J.N., Systems Engineering Guidebook: A Process for Developing Systems and Products, CRC Press, 1997
Cost: (price may range from $83 - $100 depending on retail source)

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