One of the main tasks of road managers is to plan maintenance interventions, which is currently in practice often done using a simple ranking-based method. However, an increasing number of researchers … [Read more...] about A Network Model to Optimally Group Road Maintenance Interventions for Work Zone Development
Benefit Cost Analysis
An Optimization Methodology to Improve Work Zone Safety Within a Limited Budget in a Roadway Network
In the U.S., total 94,000 crashes (Fatal 710, Injury 36,290, and PDO 57,000) occurred in work zones in 2017. The economic cost to these crashes is estimated at nearly $17.5 billion. Data revealed that … [Read more...] about An Optimization Methodology to Improve Work Zone Safety Within a Limited Budget in a Roadway Network
Crowdsourcing for Operations
Crowdsourcing turns transportation system users into real-time sensors on system performance, providing low-cost, high-quality data on traffic operations, roadway conditions, travel patterns, and … [Read more...] about Crowdsourcing for Operations
Feasibility Study of Driverless Maintenance in Highway Construction Zones
Highway construction zones post a danger to both road workers and road users because of the change of road condition and speed variance. Driverless maintenance is expected to improve traffic safety by … [Read more...] about Feasibility Study of Driverless Maintenance in Highway Construction Zones
Cost-Benefit Analysis & Justification: Mobile Barriers MBT-1
This document was prepared by the author for inclusion into a DHS/FEMA funding request. It includes supporting documents prepared for the California Department of Transportation (CALTRANS) and for … [Read more...] about Cost-Benefit Analysis & Justification: Mobile Barriers MBT-1