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High Occupancy/Toll System in Northern Virginia Improves Both Travel Time and Travel Time Reliability.
A research group at University of Maryland studied the effects of HOT tolling on the I-66 corridor. The team first gathered a robust mix of data sets such as toll data, probe speed data, and…
Content type
Date Posted
03/20/2021
Among Real Time Transit Information (RTTI) Options, Satisfaction with Integrated Multimodal Display Boards was Highest, at 90-93 Percent.
FINDINGS
Arlington residents and workers used a variety of county-offered RTTI, were satisfied with their service, and found the offered technologies valuable. The figure below, excerpted from…
Content type
Date Posted
12/18/2020
Geolocation links
Arlington County, VA bikesharing service saves members an estimated $2 million dollars in transportation spending.
Findings
Results from 2013 to 2014 show increases in ridership, with slightly shorter trips as follows:
Ridership grew by 24 percent between FY2013 and FY2014 as the system expanded service.
The…
Content type
Date Posted
02/27/2018
Taxonomy (ARC-IT)
Transit Stop Request (PT15),
Route ID for the Visually Impaired (PT16),
Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
Red light violation cameras significantly reduce rates of red light running at ticketed intersections and those in the same travel corridor.
MethodologyThe twelve study intersections were categorized in four groups: four with red light cameras (camera group), two intersections without cameras on the same corridor (corridor spillover group…
Content type
Date Posted
05/09/2013
Taxonomy (ARC-IT)
Infrastructure-Based Traffic Surveillance (TM01)
Geolocation links
During the A.M. peak period, transit signal priority on an arterial route in Arlington, Virginia could increase carbon monoxide emissions by 5.6 percent and decrease nitrogen emissions by 1.7 percent.
FINDINGSIn general, transit vehicles benefited from transit signal priority at the expense of all other traffic on cross streets. At congested intersections there was little spare green time,…
Content type
Date Posted
02/19/2003
Taxonomy (ARC-IT)
Transit Signal Priority (PT09)
Geolocation links
During the A.M. peak period, transit signal priority on an arterial route in Arlington, Virginia could reduce bus travel time by 4.0 to 9.1 percent, decrease person delay of bus passengers by 6.5 to 14.2 percent, and reduce transit vehicle stops by 1
FINDINGSIn general, transit vehicles benefited from transit signal priority at the expense of all other traffic on cross streets. At congested intersections there was little spare green time,…
Content type
Date Posted
02/19/2003
Taxonomy (ARC-IT)
Transit Signal Priority (PT09)
Geolocation links
The cost to operate the Capital Bikeshare program in Arlington, VA was estimated at $2 Million per year.
Since 2010, the Capital Bikeshare service has connected a network of over 500 stations via 4,300 bicycles across several jurisdictions in the Washington, DC area including Arlington County, VA.…
Content type
Made Public Date
01/23/2019
Taxonomy (ARC-IT)
Dynamic Transit Operations (PT03),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Carsharing service Car2Go pays cities $1,009 to $2,644 per vehicle for parking and other operating costs.
Carsharing is the short-term provision of individual vehicles to individuals who drive themselves and return the cars to set locations. It differs from traditional car rental in that most carsharing…
Content type
Made Public Date
02/27/2018
Arlington County, VA spent $1,431,000 to operate its bikesharing service in FY2014.
Since 2010, the Capital Bikeshare service has connected a network of over 450 stations via 4,000 bicycles across several jurisdictions in the Washington, DC area including Arlington County, VA.…
Content type
Made Public Date
02/27/2018
Taxonomy (ARC-IT)
Transit Stop Request (PT15),
Route ID for the Visually Impaired (PT16),
Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
An adaptive signal control system used to manage traffic at 65 intersections in Arlington, Virginia, was implemented for $2.43 million.
Arlington County, Virginia, Department of Public Works, Traffic Engineering Division, recently brought 65 intersections (expandable to 235) under an adaptive signal control system. The cost included…
Content type
Made Public Date
09/30/2003
Geolocation links
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
Date Posted
11/23/2021
Taxonomy (ARC-IT)
Vulnerable Road User Safety (VS12)
Gather Local Stakeholder Needs and Citation Requirements in Advance When Planning School Bus Stop-Arm Camera Deployments.
Considering range of program partners: The participants interviewed by the researchers noted that considering the wide range of stakeholders involved in the stop-arm camera program in any…
Content type
Date Posted
05/26/2021
Market Research Shows Real Time Transit Information (RTTI) is Important to 81 Percent of Public Transportation Riders, who Primarily Want Information on Time, Cost, and Convenience.
Key findings from the research effort are highlighted below:
Focus on cost, time, and convenience in RTTI content. Real-time transit information is important to travelers when using public…
Content type
Date Posted
12/17/2020
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
