Timothy Compston weighs up the critical elements that keep the wheels of dynamic pricing schemes turning in today's high-occupancy toll (HOT) lanes. In the drive towards smarter tolling it is perhaps not surprising that sophisticated pricing algorithms are being rolled out to better reflect supply and demand on the roadway. This is the case with high-occupancy toll (HOT) lanes which a growing number of DoTs are seeing as a way of smoothing the operation of their existing, and planned, freeway infrastructure
