Abstract
QuickRide is an innovative project designed to more effectively use the capacity of the high-occupancy-vehicle (HOV) lanes on the Katy (I-10) and Northwest (US-290) freeways in Houston. Under this project, two-person carpools could pay $2 to use the HOV lanes during the peak period, even though the lanes were normally restricted to vehicles with three or more occupants. This form of HOV lane is typically termed a high-occupancy toll (HOT) lane and can be an effective travel demand management and congestion mitigation tool. However, relatively little is known about drivers who choose to use the HOT lane option. The commute and socioeconomic characteristics of Houston's QuickRide participants are examined by their frequency of QuickRide usage. The study is based on a survey of QuickRide enrollees conducted in March 2003. It was found that QuickRide participation increases with increasing trip length, perceived time savings, and frequency of trips in the travel corridor. Participation decreases with increasing carpool formation times but is generally irresponsive to minor changes in the $2 toll. QuickRide is also more likely to be used for commute trips than other trips. Socioeconomic characteristics such as age, household type, and education also have significant effects on QuickRide trip frequency. However, household size, occupation, and hourly wage rate were not good indicators of the frequency of QuickRide usage.
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