Failure rush hour lane system A1


On Tuesday morning November 4th, 2014 a failure occured in the motorway management system near motorway junction Hoevelaken, causing the rush hour lane on the A1 between Hoevelaken and Barneveld to be closed. The rush hour lane could not be used during the evening peak leading to heavy congestion in the neighbourhood. Rijkswaterstaat wanted to know what the effects of this failure were on the traffic operations in the area. Detours were implemented, but still the queues were longer than normal. A system failure like this gives extra delay and Rijkswaterstaat wanted to know the size and the costs of this extra delay. TrafficQuest has done a quick scan analysis (in Dutch) with the available data. The costs turned out less than expected. But nevertheless Rijkswaterstaat will check and if necessary improve the maintenance process.

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