We present an algorithm that identifies bottleneck locations, the times for which each bottleneck is active and the delay it causes. The bottlenecks are ranked in terms of their frequency of recurrence and the magnitude of their delay impact. The algorithm works with five-minute loop detector data. It uses speed difference as an indicator of bottleneck activation. The algorithm is applied to th...

Introduction Congestion bottlenecks are severe traffic chokepoints where demand far exceeds available highway capacity. The Federal Highway Administration (FHWA) of the US Department of Transportation states that recurring bottlenecks account for the largest share of road delay in the United States (40%), far exceeding traffic incidents (25%), inclement weather (15%), construction (10%) or othe...

Traffic bottlenecks are a set of road segments that have an unacceptable level traffic caused by poor balance between capacity and volume. A huge volume trajectory data which captures realtime conditions in networks provides promising new opportunities to identify the bottlenecks. In this paper, we define problem as trajectory-driven bottleneck identification : Given network R , database T find...

The 4th generation of district heating systems face a potential problem where lowered water temperatures lead to higher flow rates, which requires hydraulic capacity in terms pipe and pump sizes. This increases the effect already existing issue bottlenecks, causing peripheral units (customers) experience reduced rates. A coordinating control strategy is presented this work aimed at reducing suc...

The productivity of real-world systems is often limited by so-called bottlenecks. Hence, usually companies are not only interested in finding the best ways to schedule their current resources so that their benefits are maximized (optimization), but, in order to increase the productivity, they also conduct some analysis to find bottlenecks in their system and eliminate them in the most efficient...