Carpooling and congestion pricing: HOV and HOT lanes

Sensing for HOV/HOT Lanes Enforcement

Monitoring and Use of HOV and HOT Lanes

This report presents the formulation and implementation of an automated computer vision and machine learning based system for estimation of the occupancy of passenger vehicles in high-occupancy vehicles and high-occupancy toll (HOV/HOT) lanes. We employ a multi-modal approach involving near-infrared images and high-resolution color video images in conjunction with strong maximum margin based cl...

Impacts of Increasing Vehicle - Occupancy Requirements on HOV / HOT Lanes

at http://trid.trb.org/view/2009/C/881189 From the abstract: This paper describes an empirical research investigation of SOV behavior in the I-394 HOT facility in Minneapolis, Minnesota, known as MnPASS. Using traffic and tolling data from March 2008, the research team conducted a visual time series analysis, price elasticity analysis, and developed a utility-based mode choice model for SOV beh...

Safety Benefits of Converting HOV Lanes to HOT Lanes: Case Study of the I-394 MnPASS

Recently, the conversion of HOV lanes to HOT lanes has been increasingly popular in the United States. Several empirical studies have explored the benefits and costs associated with the conversion. However, few quantitative studies have been performed to examine the impact of HOV-to-HOT conversion on traffic safety. Introduction With the hope of relieving highway congestion and generating reven...

When Should Carpools in HOV Lanes be Encouraged?

A variety of policies to encourage carpooling in high-occupancy vehicle (HOV) lanes have been adopted by state and local governments in the US. These policies can either increase or decrease total congestion depending on whether congestion relief in mainline lanes outweighs increased HOV lane congestion. We estimate congestion cost functions for mainline and HOV lanes in Los Angeles and find co...