tag: Highways

Evaluation of Cost-Effective Alternative Designs for Rural Expressway Intersections

High-speed expressways functionally operate like freeways but have at-grade intersections that provide critical access to communities via minor roadways. These

Continue reading »


Making Tolling Transparent: Analyzing Processes Used to Allocate & Distribute Toll Highway Revenue in Multiple States

Transportation finance has become increasingly unreliable in recent years, due to the declining revenue available from the motor fuel tax,

Continue reading »


Development of a real-time roadway debris hazard spotting tool using connected vehicle data to enhance roadway safety and system efficiency

Roadway debris and other unexpected obstructions, such as surface damage, or lane hydroplaning due to weather conditions like snow or

Continue reading »


Strategic Investment Decisions on Highway Improvement Projects

Setting priority in highway improvement projects where safety consideration plays a differentiating role in the decision making process. As such,

Continue reading »


Creative Utilization of Urban Roadway Facilities with Predictive Safety Assessment Tool – Phase 1

The impact of predictive safety assessment based on quantitative methodology of the Highway Safety Manual (HSM) is significant particularly in

Continue reading »


Evaluation of Adaptive Ramp Metering on I80 in The San Francisco Bay Area

I-80 is the first corridor in the Bay area to have Adaptive Ramp Metering capability. This CTEDD (Center for Transportation

Continue reading »


Evaluation of Pavement Performance Using Remote Sensing Techniques

Annually, transportation agencies spend several millions of dollars of expenditures for their rehabilitation works due to the problematic soils underneath

Continue reading »


Fast Reference‐free Crack Measurement (RACM) System in Transportation Infrastructures using Noncontact Ultrasound

The research objectives of this project are the maintenance of transportation infrastructure: i) to develop and improve the reference-free crack

Continue reading »