METHODOLOGY
The study consisted of two parts. First, it developed a theoretical framework to analyze the costs of various transportation options, based on three principles: (i) using marginal cost…
METHODOLOGY
The study utilized the SHRP2 NDS database that consisted of over 5.5 million trips driven by 3,542 drivers across six sites in the U.S. First, relevant events from the database were…
METHODOLOGY
Data-based research is undertaken to evaluate the effects of various strategies that can facilitate carpooling through a collaboration between the public and the private sector in the…
FINDINGS
The average time it took the UPS driver to make door-to-door deliveries in the Municipal Tower was 27 minutes, with the driver visiting seven different floors on average. In contrast, the…
Methodology
NREL developed a standardized evaluation process for evaluation advanced technologies deployed under FTA programs. This process has/will be applied to several alternative fuel bus…
The study attempts to broaden the understanding of the interplay among emerging and established modes of transportation by approaching from several angles the question of how shared modes, and…
Findings
From pre-deployment to post-deployment of electronic tolling on the SR 520 bridge, on-time performance of transit routes crossing the bridge improved from 47 percent to 67 percent in the…
Transit enhancements included 44 new buses and 90 additional one-way peak period trips across the SR 520 bridge; improvements to transit stops and park-and-ride lots; and new travel time signs.…
Methodology
A statistical analysis using a linear mixed-effect model was conducted to determine the level of difference between pre- and post-deployment vehicle throughput on SR 520 and I-90. The…
Methodology
Statistical comparison of changes in mean travel times within each peak period was conducted using a linear mixed-effect modeling technique. Factors known to potentially influence the…
Findings
A key driver of adding tolls to the existing SR 520 bridge was to generate revenue for a replacement bridge. The SR 520 tolls generated $54,879,495 in 2012 during the 2012 post-deployment…
Methodology
The environmental analysis involves multiplying miles of travel by the rate of emissions per mile for each pollutant. The energy analysis is the same except that it uses fuel use rates.…
Findings
Travel-time reliability, measured by the 95th percentile travel time, improved on SR 520 in the post-deployment period, declining in the morning peak period by approximately 3 minutes…
Methodology
WSDOT uses two freeway loop detector configurations to record volume, lane occupancy, and speed every 20 seconds on a lane-by-lane basis. The traffic sensors are generally located in…
Car2go is currently the largest carsharing operator in the world, with a presence in nine countries and nearly 30 cities. It operates as a one-way instant access carsharing system within a pre-…
BenefitsThe data collection and archival characteristics of ADMS are keys to the benefits identified through the case studies. These benefits are:Improved planningImproved policy decision-…
BenefitsPersonal travel times reduced by an average of more than 120,000 hours daily in the Seattle area with full implementation of operations and ITS strategies. The average daily reduction of 3.7…
BenefitsOverall, vehicle speeds on Seattle's road network increased by less than 1 percent on a daily basis as a result of the ITS deployments. The majority of the speed increase was observed on…
BenefitsThe ITS deployment was shown to improve system speeds and reduce delay, particularly during congested, delay-prone commute hours. Overall reduction in delay caused by recurring congestion was…
Benefits
By lessening congestion and smoothing traffic flows, the ITS deployment resulted in the elimination of more than seven crashes per day in the Seattle area.
The deployment of incident and…
BenefitsThe ITS improvements would result in decreased vehicle pollutants and reduced fuel use in the Seattle area. Full deployment would result in a reduction for all emissions analyzed. Carbon…
METHODOLOGYResearchers used an on-line survey to collect data on drivers' opinions relative to diversion route usage when dynamic message signs (DMS) show travel times that are longer than normal.…
FINDINGSThe study identified a number of changes in aggregate travel demand of participants.7 percent reduction in all vehicle trips per week.12 percent reduction in vehicle miles traveled (VMT) per…
FINDINGSThe study identified a number of changes in aggregate travel demand of participants.7 percent reduction in all vehicle trips per week.12 percent reduction in vehicle miles traveled (VMT) per…
RESULTSSimulation results demonstrated that compared to optimized traffic signal timing plans, adaptive control algorithms can decrease travel time and improve traffic volume handling by…
Advanced Traveler Information Systems that provide both static and dynamic information on arterial roadway conditions offer benefits in customer satisfaction and improved efficiency. In surveys…
In Seattle, the following evaluation data were highlighted:
1) Top Sources of Traveler Information (percent of trips where information was consulted).
En-route radio (56 percent).
Pre-trip radio…
SEATTLE, WASHINGTONIn the spring of 2000, the King County DOT implemented a 2.1 mile signal priority system on Rainier Avenue. The system used in-vehicle radio frequency transponders, roadside…
ANN ARBOR, MICHIGANIn 1996, a test was conducted in Ann Arbor, Michigan that investigated bus priority using green extensions, red truncation (with and without compensation), and skip phasing (…
FINDINGS (Throughput)
Arterial Data for ATIS Integration Experiment
This experiment modeled the integration of data from arterial loop detectors (along routes SR99 and SR522) with data provided by…
FINDINGS (Mobility)
ATIS Experiment
The ATIS experiment attempted to capture the near-term impacts of increased utilization of various traveler information services such as Microsoft (TM) Sidewalk…
FINDINGS (Energy and Environment)
Arterial Data for ATIS Integration Experiment
This experiment modeled the integration of data from arterial loop detectors (along routes SR99 and SR522) with data…
Each deployment strategy was evaluated during various peak travel times. Thirty (30) different daily scenarios were modeled. The scenarios included weather impacts, incident patterns, and travel…
Each deployment strategy was evaluated during various peak travel times. Thirty (30) different daily scenarios were modeled. The scenarios included weather impacts, incident patterns, and travel…
Notes:
See also:
Metropolitan Model Deployment Initiative Seattle Evaluation Report: Final Draft, May 2000.
Impacts of Supplementing Web-Based Urban Freeway ATIS With Parallel Arterial Travel-Time…
A modeling effort investigated the potential impact of coordinating traffic signal control between several jurisdictions along congested arterial corridors leading into Seattle. FINDINGSThe results…
Modeling was used to estimate the potential impacts of incorporating arterial traffic flow information into an Advanced Traveler Information System used to provide freeway traveler information.…
Notes:
A full set of reports on the SWIFT project are available on the U.S. DOT's Electronic document library these include the Evaluation Summary, Architecture Study, Consumer Acceptance Study,…
A modeling effort was used to investigate the potential impacts of coordinating traffic signal control between several jurisdictions along congested arterial corridors leading into Seattle.
FINDINGS…
The responses of Seattle area travelers to the various ITS improvements undertaken during the MMDI project were evaluated using focus groups, mail-in questionnaires, and Web-based surveys.
FINDINGS…
Modeling was used to estimate the potential impacts of incorporating arterial traffic flow information into an Advanced Traveler Information System used to provide freeway traveler information. The…
Real-Time Travel Information
Bellevue, Washington has a large arterial data collection infrastructure in place and wanted to develop a means of providing this information to the public for…
Dynamic Parking ManagementDynamic parking management attempts to manage demand for parking spaces through variable parking rates and dissemination of real-time parking availability information. The…
Ensure data from multiple sources are transformed into a consistent frame of geographical and temporal resolution. Data fusion of BSMs and other data sets will be a necessity in situations when…
Address digital service delivery needs to build credibility and trust with the target population. Three emerging problems appeared with the mobile application related to digital service delivery,…
As cities increasingly turn to congestion pricing, ensuring equity in congestion pricing is a critical concern. To study this issue, a research team at the Institute of Transportation Studies at…
There were several reasons why permits did not make it to final approval, most of which can be distilled down to three main barriers:
Consideration of competing…
The pilot test required extensive multi-sector collaboration from UPS, USPS, SDOT, Seattle Municipal Tower building management (CBRE), the parcel locker vendor (Parcel Pending), and building tenants…
The Volpe National Transportation Systems Center conducted a demographic household traveler panel survey in Seattle (as well as another UPA site) as part of the evaluation of the UPA Program (Peirce…
The following key themes and lessons learned summarize the findings of a literature review and the documents referenced in Appendix B of the source report.
Grow regional road pricing…
Participate in truckers' group meetings to exchange information about traveler information systems. Much can be gained for state DOTs and local transportation agencies to participate in truckers'…
The MMDI set in motion an aggressive schedule of ITS deployment in four regions: San Antonio, Phoenix, Seattle, and New York City metropolitan area (which included parts of three states, New York,…
The synthesis included the findings of a literature review, agency survey responses, and case study telephone interviews with agency personnel involved in the development and operation of bus AVL…
Effective life-cycle management enables the unambiguous sharing of information between applications. The best practices related to ITS and sharing among applications assumes that a robust data…
ADMS offer numerous potential benefits, including the ability to better evaluate system performance, plan for operations, and support future investment decisions. Washington State TRAC, for example,…
This study found a wide range in costs for the APMS projects at BWI airport, Seattle Center and Chicago Metra park-and-ride facilities (ranging from $250 to $800 per space). The factors that had the…
Formalizing the incident management effort existing in many cities into an incident management program can make incident management a core agency activity at senior executive levels and demonstrate a…
While no single approach can be prescribed for all incident management efforts, a flexible framework based on experiences from successful incident management programs in the United States can be…
There is some form of incident management activity in most major and many mid-sized urban areas. Typically this involves each agency carrying out its own responsibilities, with primarily working-…
The Regional Traffic Incident Management Programs: Implementation Guide aims to explain general steps to implementation (with an institutional, rather than technical, focus), and is based on…
The value of the MDI operations lay in the data that is generated by the equipment and systems involved. Data policy issues that have been reviewed and tackled by the MDI partners include resolving…
While institutional and legal impediments do exist, many of the barriers to successful ITS deployments and operations can be overcome with a consistently developed policy that has considered these…
SmartTrek was a partnership of twenty public and private organizations that implemented emerging technologies to help improve the performance of the Seattle region’s existing transportation system.…
SmartTrek was a partnership of twenty public and private organizations that implemented emerging technologies to help improve the performance of the Seattle region’s existing transportation system.…
SmartTrek was a partnership of twenty public and private organizations that implemented emerging technologies to help improve the performance of the Seattle region’s existing transportation system.…
There is a continuing concern in the private sector that state or federal laws will require firms participating in public-private ITS partnerships to surrender valuable rights in intellectual…
Installation and use of Automatic Vehicle Location (AVL) technology can greatly enhance transit agency performance. Operations and emergency response are enhanced, operational data can be captured to…
During the SWIFT project, a number of institutional issues were encountered that affected the deployment of project. One set of issues related to limitations in the equipment procurement process and…
Choose an appropriate method of analysis when considering an ITS project in the planning process.
Analyze system performance beyond traditional notions of “average” conditions to reveal important…
Innovative funding can have a significant impact on a region trying to support its transportation facilities. Almost every transportation agency identifies inadequate funding as a major concern. At…
Develop a cross-jurisdictional communications infrastructure that allows jurisdictions to share real-time traffic operations information and update signal plans. The idea of a multi-jurisdictional…
Address intellectual property rights issues and questions of ownership of software and technology developed or enhanced during the course of the project through creative approaches. For example:…
ITS projects that involve a partnership of agencies and jurisdictions should establish a clear vision of the desired outcome and products at the outset, and they should communicate the progress made…
Establish a clear understanding of the research and development components of the project among ITS project partners. Software and hardware projects can range from the installation of established,…
Develop a strong acceptance testing program as part of large-scale software product deliveries, with independent code reviews performed to verify functionality. A testing program featuring software…
Software development projects structured as a series of phased, smaller tasks offer opportunities to enhance system quality. Another lesson learned from this project noted the difficulties that…
During the SWIFT project, a number of institutional issues were encountered that affected deployment of the project. One issue was confusion about the responsibilities and roles of team members. This…
During the SWIFT project, a number of institutional issues were encountered that affected the deployment of project. One issue related to the end users of the devices being tested. The lessons…
During the SWIFT project, a number of institutional issues were encountered that affected the deployment of project. One issue related to a lack of ITS standards and protocols. The lesson learned was…
Content references source material no longer available at its original location.
This presentation provided cost estimates for the implementation of hardware, software, and engineering activities for vehicle-to-infrastructure (V2I) communication systems installed at 10…
In the Seattle metropolitan area, a congestion pricing project was conducted to examine the driving behavior of 275 volunteer households who had vehicles equipped with GPS tolling meters similar to…
This research synthesized evaluation findings from 24 projects sponsored by the Federal Highway Administration (FHWA) Congestion and Value Pricing Pilot Program (VPPP) between 1991 and 2006.…
The Federal Highway Administration (FHWA) conducted a study to explore the potential benefits and costs of fully deploying ITS operational strategies in large, medium, and small metropolitan areas.…
In 2006, the Federal Highway Administration sponsored a study to evaluate the deployment of advanced parking management systems (APMS) at six parking facilities. In-depth profiles were prepared for…
The Central Puget Sound Regional Fare Coordination (RFC) Project features smart card technology that will support and link the fare collection systems of the major transit agencies operating in the…
This TCRP synthesis report presents information on the state of the practice in real-time bus arrival information systems based on literature research and survey of transit agencies in the United…
The Seattle Center Advanced Parking Information System, in Seattle, Washington, provides information and routing directions to three major parking centers via variable message signs (VMS). This…
The lack of integrated communication links between Seattle area emergency operations centers (EOCs) was discussed at a series of workshops and meetings during the Seattle MMDI project deployment. As…
BusView is a component of Metro Online, a King County, Washington transit website that shows real-time bus location on a map for selected bus routes. Bus location data is provided by the King County…
Transit riders at Bellevue and Northgate Transit Centers in King County, Washington were provided with bus arrival/departure times, bay number, and expected actual departure times for all bus routes…
The North Seattle Advanced Traffic Management System (ATMS) was enhanced to allow the integration of 19 metropolitan North Seattle, Washington, city signal systems. The enhancement also included…
The Washington State Department of Transportation (WSDOT) deployed a variable speed limit (VSL) system to improve safety and reduce winter-weather related accidents on a 40-mile stretch of I-90 over…