AIMMS-based model optimizes planning for ProRail’s video inspection trains

Cost savings

Smarter automation

Less interference with train operations


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Safe inspections that minimize interference with train operations

Since its inception in 2003, ProRail has been tasked with the inspection of the Dutch railway system. In the past, this work would be done by specialized technicians. But with the introduction of new technologies, such as video inspection trains, this process has been largely automated. Yet, automation posed its own set of planning challenges. Inspection trains must complete thorough inspections, but they must drive as little as possible to minimize interference with regular train operations. ProRail asked CQM, an AIMMS partner, to help them address this puzzle.


About ProRail

Netherlands-based ProRail is a government organization that is responsible for maintaining and extending the country’s railway network infrastructure. ProRail is also tasked with allocating rail capacity and performing traffic control in a rail network that sees, on average, 1 million passengers per day.


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