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Systems Engineering Graphic for Changes and UpgradesChanges and Upgrades (21 unique lessons found)

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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.


Related Resources:

Changes & Upgrades
Systems Engineering Guidebook for ITS, California Department of Transportation Division of Research and Innovation, January 2007
http://www.fhwa.dot.gov/cadiv/segb/views/document/Sections/Section3/3_7_3.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)

Chapter 11: Operations & Maintenance Phase - Systems Development Life Cycle Guidance Document, Department of Justice, January 2003
http://www.usdoj.gov/jmd/irm/lifecycle/ch11.htm
Cost: Free

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