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Software V&V for the Transportation Industry

Much of the transportation infrastructure is controlled and managed by safety-critical software. Many safety-critical practices used in other safety-critical industries are applicable to the transportation industry. In addition, there may also be federal and state regulations and contractual Software V&V requirements that apply.

Typical Software V&V activities include:
  • Participating in requirements analysis and document reviews
  • Performing and/or participating in safety-critical code reviews
  • Performing and/or reviewing static and/or dynamic code analysis
  • Performing and/or witnessing unit and integration testing
  • Performing risk assessments and identifying safety cases
  • Performing and/or witnessing system validation and regression testing
  • Performing Baseline Change Assessments
  • Measuring Software Reliability Growth

Software V&V services are offered in many software safety-critical areas, including those related to the documents listed below:

  • Commercial-off-the-Shelf (COTS) Hardware and Software for Train Control Applications: System Safety Considerations, DOT/FRA/ORD-03/14 April 2003
  • Introduction to Software Configuration Management, FRA, August 2006
  • 49 CFR Part 236—Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
  • Software Management Control Plan
  • Software Hazard Reporting
  • IEEE Standard 12207 Systems and Software—Software Development Lifecycle Processes

In addition, I can also provide the following services:

  • Assess compliance of software subcontractors to applicable standards and regulations
  • Qualify COTS software for safety-critical applications
  • Develop and review software development practices appropriate for safety-critical systems—including software configuration management practices and software hazard reporting

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