Although law enforcement is an effective method to manage speeds, it requires significant resources to ensure adequate spatial and temporal compliance. In some cases, alternative speed management … [Read more...] about Evaluating Effectiveness of Dynamic Speed Display Signs in Transition Zones of Two-Lane Rural Highways in Pennsylvania
Rural Highways
QuickZone Improvement for Rural Freeway and Model Validation
This review indicated that in QuickZone 2.0 a deterministic queuing model is applied to calculate the delays for oversaturated conditions; stochastic and speed reduction delays were not included. Data … [Read more...] about QuickZone Improvement for Rural Freeway and Model Validation
Field Evaluation of Work-Zone Automated Speed Enforcement Equipment and Traffic Monitoring Devices
Speeding is a significant contributor to a significant portion of highway collisions. For work zones in particular, the speeding problem is compounded by on-site road re-configuration, narrowed lanes, … [Read more...] about Field Evaluation of Work-Zone Automated Speed Enforcement Equipment and Traffic Monitoring Devices
Evaluation of Rapid Deployment Mesh Networking for Work Zones
Communications between high-technology devices in work zones has long been a challenge. The problem is acute in rural areas where there is often little or no existing infrastructure to support … [Read more...] about Evaluation of Rapid Deployment Mesh Networking for Work Zones
Coordination and Safety Procedures for Mail Delivery on Roadways without Shoulders
The Texas Department of Transportation (TxDOT) maintains approximately 7,500 centerline miles of rural, two-lane state highways without shoulders. With limited or no allowance for passing maneuvers or … [Read more...] about Coordination and Safety Procedures for Mail Delivery on Roadways without Shoulders