This research project consists of a series of tasks intended to yield results that will better inform transportation agencies in their planning, design, and operations of freeway work zones. This … [Read more...] about Improving Work Zone Mobility Through Planning, Design, and Operations
Traffic Models
Analysis of Headway and Speed Based on Driver Characteristics and Work Zone Configurations Using Naturalistic Driving Study Data
The objective of this paper is to analyze headway and speed distribution based on driver characteristics and work zone (WZ) configurations by utilizing Naturalistic Driving Study (NDS) data. The NDS … [Read more...] about Analysis of Headway and Speed Based on Driver Characteristics and Work Zone Configurations Using Naturalistic Driving Study Data
Fault-Tolerant Control of Variable Speed Limits for Freeway Work Zone With Recurrent Sensor Faults
Congestion associated with freeway work zones can adversely affect mobility, safety, and sustainability. Variable speed limits (VSL) control has been widely studied to mitigate the congestion caused … [Read more...] about Fault-Tolerant Control of Variable Speed Limits for Freeway Work Zone With Recurrent Sensor Faults
Accounting for Human-Related Unobserved Heterogeneity in the Safety Performance of Connected Vehicles: An Incorporation of Bayesian Hierarchical Negative Binomial Into Simulated Work Zone Warning Application
Connected Vehicle (CV) notifications enhance drivers' situational awareness, where, depending on traffic flow characteristics, CV drivers might require sufficient distance and time to adapt their … [Read more...] about Accounting for Human-Related Unobserved Heterogeneity in the Safety Performance of Connected Vehicles: An Incorporation of Bayesian Hierarchical Negative Binomial Into Simulated Work Zone Warning Application
Work Zone Safety: Behavioral Analysis With Integration of VR and Hardware in the Loop (HIL)
Although there have been efforts to achieve the zero deaths on horizontal construction projects, undesired crashes within work zones continue to happen, highlighting the need for continuous studies on … [Read more...] about Work Zone Safety: Behavioral Analysis With Integration of VR and Hardware in the Loop (HIL)
Management of Connected and Automated Vehicle Disengagements in the Proximity of Work Zones
Work zones (WZ) incur profound impacts in the safety, mobility and environmental realms. Researchers and transportation agencies have exerted significant efforts in mitigating their adverse impacts … [Read more...] about Management of Connected and Automated Vehicle Disengagements in the Proximity of Work Zones