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Adopt Different Machine Learning (ML) Models to Predict Congestion Measures for Rural and Urban Areas Based on the Performance Differences and Utilize Explainable ML for Enhanced Interpretation.

Adopt different ML models to predict congestion measures for rural and urban areas based on the performance differences. This study found better performance of rural freeway models as compared to…
Content type
Date Posted
03/22/2024

Conduct Durability Tests to Ensure Antenna Mounting Supports Proper Connected Vehicle Communications for Large Vehicles.

Conduct interoperability test to identify potential issues that would require resolution prior to the sites advancing to an operational phase. The three-day testing event was a major victory for the…
Content type
Date Posted
02/29/2024

Coordinate Long-Term Planning Schedules and Goals to Enhance Data Exchange and Collaborative Efforts Among Multiple Metropolitan Planning Organizations (MPOs).

Coordinate long-term planning schedules and goals to enhance collaborative efforts. Beginning with manageable projects and tracking their progress and results in a transparent fashion helps…
Content type
Date Posted
02/29/2024

Consider Data Collection Capability When Selecting Performance Measures for Mobile Device-Based Systems.

Identify local stakeholder and transportation infrastructure needs. This could be best achieved by outreach efforts with stakeholder engagement and technical working group meetings to ensure…
Content type
Date Posted
01/31/2024

Conduct Yearly Solar Panel Maintenance Including Surface Cleaning and Charging Output Tests When Using Solar Powered Intelligent Warning Devices

Conduct yearly solar panel reviews including surface cleaning and charging output tests when using any solar powered systems. While these systems often use maintenance-free batteries, it is…
Content type
Date Posted
01/31/2024

Microsimulation of A Signalized Intersection in Florida Estimated that Connected Vehicles Can Reduce Travel Times by up to 17 Percent at Full Penetration Due to Increased Likelihood of Arriving-On-Green.

METHODOLOGY The study leveraged the existing application programming interface (API) capabilities of the traffic simulation tool to emulate the CAV operations. Three simulation cases were considered…
Content type
Date Posted
01/29/2024

Demand-Based Pricing Strategy in Los Angeles Parking Management System Led to a 37 Percent Reduction in Parking Duration for Downtown LA.

METHODOLOGY The LA Express Park program relied heavily on hardware, including parking meters, guidance systems, in-ground sensors, and a highly integrated back-end system that utilized strong data…
Content type
Date Posted
01/26/2024

Driving Simulation Study on V2I Technologies Found Audio Warnings Effective in Reducing Driver Speed by Approximately 11.4 Percent.

METHODOLOGY In this study, four specific scenarios were tested in driver simulation: (i) BASE: Heavy rain without warning, (ii) AUDIO: Heavy rain with in-vehicle audio warning, (iii) SCREEN: Heavy…
Content type
Date Posted
12/27/2023

Simulation Study of Miami Beach Network Revealed a 4.1 Percent Modal Shift to Transit with Combined Light Rail and Road Pricing Strategy, Compared to 0.5 Percent with Light Rail Alone.

METHODOLOGY The research team developed various models to accomplish the intended goals of this study:  A base microsimulation model of the Miami Beach network was calibrated using a mode split…
Content type
Date Posted
12/26/2023