Research Article

Predicting Freeway Work Zone Capacity Distribution Based on Logistic Speed-Density Models

Table 4

Operational capacities from the proposed method, HCM, Weng and Meng method [12], WorkZoneQ and maximum 15-minute flow rate.

CityWork ZoneMaximum 15-min flow rate (veh/hr/ln) Estimated operational capacity (veh/hr/ln)Predicted operational capacity (veh/hr/ln)
HCMLogistic ModelWorkZoneQProposed methodWeng and Meng[12]

Quad CitiesI80 WB157212391267129612521383

Quad CitiesI80 EB148812451206129613181383

Sioux CityI29 NB151213941413131312571138

Iowa CityI-380 NB129611991058142410081383

Council BluffsI80/I29 WB152415171376131312811138