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Implementation of Demand-Based Pricing to Washington D.C. Street Parking Resulted in an Increase of 10 Percent of Parking Usage and a Decrease in the Time To Find Parking of Seven Minutes.

METHODOLOGY This pilot involved demand-based parking pricing to on-street spaces in the pilot area. Higher hourly parking rates were applied to high-demand blocks to improve turnover and lower hourly…
Content type
Benefit
Date Posted
10/26/2023
Taxonomy (ARC-IT) Parking Space Management (PM01), Regional Parking Management (PM04), Loading Zone Management (PM06)
Geolocation links
Washington DC, District of Columbia, United States

Field Study on Adaptive Cruise Control Found That Nearly 80 Percent of Drivers Were Consistently Comfortable with the Gap It Provided Across Speeds, with a Minor Drop in Comfort Around 45 MPH.

METHODOLOGY In this study, the survey participants drove an experimental course that included nine test speeds ranging from 25 to 65 mph, once using ACC and once while driving manually. For each of…
Content type
Benefit
Date Posted
09/29/2023
Taxonomy (ARC-IT) Cooperative Adaptive Cruise Control (VS14)
Geolocation links
Washongton DC, District of Columbia, United States   |   McLean, Virginia, United States

Analysis of Safety-Critical Events Occurring With Active Automated Driving Systems Reveals Either a Benefit, or No Negative Impact From the System, in 87 Percent of Cases.

Methodology The research team investigated an existing naturalistic driving database collected from the Virginia Connected Corridor Level 2 Naturalistic Driving Study with data from 50 drivers using…
Content type
Benefit
Date Posted
03/07/2022
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), Cooperative Adaptive Cruise Control (VS14)
Geolocation links
Washington DC, District of Columbia, United States

Add Wireless Beacons at Choke Points and Select Areas within the Transit Facility to Facilitate Accessible Location, Navigation, and Routing Services.

Enable turn-by-turn wayfinding by using wireless beacons at “choke points” and selected areas. Although testing at Turner-Fairbank Highway Research Center and Union Station demonstrated that the…
Content type
Lesson
Date Posted
02/01/2022
Taxonomy (ARC-IT) Transit Traveler Information (PT08), Transit Pedestrian Indication (PT11), Traffic Information Dissemination (TM06)
Geolocation links
Washington, District of Columbia, United States   |   McLean, Virginia, United States

When Implementing Pedestrian and Bicycle Automated Count Technologies, Select and Design Sites with Widths Compatible with Detector Parameters and Avoid Unconstrained Locations to Mitigate Bypass Errors.

Place counters strategically at the site to minimize bypass errors. Careful selection for the location of counters at the site plays an important role in the ultimate accuracy of the collected count…
Content type
Lesson
Date Posted
11/23/2021
Taxonomy (ARC-IT) Vulnerable Road User Safety (VS12)
Geolocation links
Arlington, Virginia, United States   |   Washington, District of Columbia, United States   |   Oakland, California, United States

Adoption of Digital Contactless Fare Payment System Was Estimated To Reduce Fare Collection and Provisioning Costs by $4.4 Million.

Washington Metropolitan Transit Authority (WMATA) recently installed open-loop fare payment systems which integrate Apple and Google pay into the fare payment system. Overall, WMATA estimates that…
Content type
Benefit
Date Posted
09/16/2021
Taxonomy (ARC-IT) Integrated Multi-Modal Electronic Payment (TI05), Transit Fare Collection Management (PT04)
Geolocation links
Washington, District of Columbia, United States

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…
Content type
Lesson
Date Posted
08/25/2021
Taxonomy (ARC-IT) En-Route Guidance (TI03), Automated Vehicle Operations (VS16), Transit Fleet Management (PT06), Integrated Decision Support and Demand Management (TM09)
Geolocation links
Washington, District of Columbia, United States   |   Berlin, Germany   |   Tampa, Florida, United States   |   Tallinn, Estonia

Survey Results Found Accessible Entrances is the Top Wayfinding Mobile Application Feature for Wheelchair Users.

METHODOLOGY By listening to the needs of users, PathVu was able to more accurately design the app around what the user wants rather than based on our pre-conceived assumptions. A survey was conducted…
Content type
Benefit
Date Posted
05/25/2021
Taxonomy (ARC-IT) Personnel Device Maintenance (SU13), Broadcast Traveler Information (TI01), Trip Planning and Payment (TI04), Personalized Traveler Information (TI02)
Geolocation links
Pittsburgh, Pennsylvania, United States   |   Washington DC, District of Columbia, United States   |   Portland, Oregon, United States

Accurate, Geographically Connected Data Enhanced by Focus Group Feedback Contribute to the Success of a Wayfinding Mobile Application for Pedestrians with Disabilities.

This study led to the following lessons learned. It is important to conduct appropriate quality assurance on data especially when it is from a third-party source.  Data accuracy is very…
Content type
Lesson
Date Posted
05/25/2021
Taxonomy (ARC-IT) Personnel Device Maintenance (SU13), Broadcast Traveler Information (TI01), Trip Planning and Payment (TI04), Personalized Traveler Information (TI02)
Geolocation links
Pittsburgh, Pennsylvania, United States   |   Portland, Oregon, United States   |   Washington DC, District of Columbia, United States

Driving Simulator Study Finds Lane Departure Warning Systems Can Reduce the Percent of Drive Spent Outside of Travel Lane by 50 Percent Compared to Manual Driving.

Methodology A fixed-base driving simulator was used to compare lane-keeping behavior when drivers were controlling the vehicle without lateral assistance (i.e., manual control) or were assisted by…
Content type
Benefit
Date Posted
05/19/2021
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02), Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15), Automated Vehicle Operations (VS16)
Geolocation links
Washington DC, District of Columbia, United States
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