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Displaying 21 - 30 of 8406

Field Test and Online Survey Revealed Bicycle Blue Light Detection Confirmation System and Bicycle Signal Countdown Timer in Oregon Improved Cyclists' Waiting Experience.

Methodology A three-step methodology was applied in this study: an online survey administered both in Oregon and nationally via a post card and social media; field video data collection recording…

08/25/2021

Taxonomy: Bicycle Warning

Investing in Radar Sensors for Fully Automated Vehicles is Estimated to Yield a Benefit-Cost Ratio of 2.96 (Assuming a Market Penetration of 10 Percent by 2030).

Methodology This study considered three performance measures from the 22 risk mitigation strategies: 1) number of traffic deaths, 2) level of congestion, and 3) environmental emissions.…

08/25/2021

Taxonomy: Adaptive Cruise Control

Designing Questions about Speed in Several Different Ways May Help Improve the Usefulness of Automated Shuttle Survey Results, as Low Speeds Have a Complicated Relation to User Acceptance.

The following are several lessons learned from the projects for the development of future surveys about automated shuttles as they relate to survey population, survey approach, and questionnaire…

08/25/2021

Taxonomy: Navigation / Route Guidance, Operations & Fleet Management

Field Testing of an Automated Flagger Assistant Device in Missouri Reduces Vehicle Approach Speeds by Four Miles Per Hour and Increases Stopping Distance by 11 Feet.

Methodology: For the field study, video data that recorded driver behaviors was collected for two days in a work zone on MO 23 in Knob Noster, Missouri. Seven Measures of Effectiveness (MOEs) were…

08/23/2021

Taxonomy: Work Zone Warning

Establish People-Centered "Living Labs" To Accelerate the Implementation of Smart City and Community Solutions.

The report presents several best practices for SC&C technology implementation, detailed below. Set clear goals. Becoming a smart city or community is not a goal…

08/03/2021

Taxonomy: Parking Management, Traffic Control, Pedestrian Safety, Parking Fee Payment, Transit Fare Payment, Transit Management

Estimated Costs for a Ramp Signal Video Detection System Include Initial Equipment and Software Costs of $10,500 and Maintenance Costs of $7,000 per Year.

Florida DOT has been using inductive loops and sensors at I-95 ramp signals in Miami-Dade County, but existing detectors only report volume and occupancy data. In order to support performance…

07/28/2021

Taxonomy: Ramp Metering

Conduct Field Tests of Video Detection Systems to Verify Accuracy and Queue Monitoring Capabilities for Ramp Signals.

Based on field testing the three systems, the researchers discovered that the results varied in performance (accuracy) under different lighting conditions. For the first system,…

07/28/2021

Taxonomy: Ramp Metering

Minneapolis Active Traffic Management System Using Intelligent Lane Control Signals Resulted in a 22 Percent Decrease in Crashes and 54 Percent Decrease in Near Crashes.

METHODOLOGY The first system was tested in the field for three weeks in 2016, showing the queue warning message “SLOW TRAFFIC AHEAD” to travelers when a queue was estimated at downstream locations…

07/27/2021

Taxonomy: Queue Warning

Increasing Warning Sign Activation Time after Last Detection Improves Animal Detection System Effectiveness for Highways.

Regardless of the deployment location, researchers recommend the following for operation and maintenance: Warning Sign Activation Time: Increase the time the warning signs are activated after…

07/27/2021

Taxonomy: Animal Warning

A Doppler Radar-Based Animal Detection System Deployed in Idaho Cost An Estimated $60,000 to Equip 250 Meters of Roadway.

This study evaluates the reliability and effectiveness of a doppler radar-based animal detection system. Reliability was measured by how well large mammals (deer size and larger) were detected.…

07/27/2021

Taxonomy: Animal Warning

Displaying 21 - 30 of 8406

Field Test and Online Survey Revealed Bicycle Blue Light Detection Confirmation System and Bicycle Signal Countdown Timer in Oregon Improved Cyclists' Waiting Experience.

Investing in Radar Sensors for Fully Automated Vehicles is Estimated to Yield a Benefit-Cost Ratio of 2.96 (Assuming a Market Penetration of 10 Percent by 2030).

Designing Questions about Speed in Several Different Ways May Help Improve the Usefulness of Automated Shuttle Survey Results, as Low Speeds Have a Complicated Relation to User Acceptance.

Field Testing of an Automated Flagger Assistant Device in Missouri Reduces Vehicle Approach Speeds by Four Miles Per Hour and Increases Stopping Distance by 11 Feet.

Establish People-Centered "Living Labs" To Accelerate the Implementation of Smart City and Community Solutions.

Estimated Costs for a Ramp Signal Video Detection System Include Initial Equipment and Software Costs of $10,500 and Maintenance Costs of $7,000 per Year.

Conduct Field Tests of Video Detection Systems to Verify Accuracy and Queue Monitoring Capabilities for Ramp Signals.

Minneapolis Active Traffic Management System Using Intelligent Lane Control Signals Resulted in a 22 Percent Decrease in Crashes and 54 Percent Decrease in Near Crashes.

Increasing Warning Sign Activation Time after Last Detection Improves Animal Detection System Effectiveness for Highways.

A Doppler Radar-Based Animal Detection System Deployed in Idaho Cost An Estimated $60,000 to Equip 250 Meters of Roadway.

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