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…
METHODS
The quantitative and qualitative evaluation methods used in the TriMet IE included the following: 1) System testing of the geocoders and trip planners, 2) Data verification, 3) Survey…
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…
FINDINGS
The following results were reported for FY2019:
San Francisco Bay Area Rapid Transit (BART), San Francisco, California
BART received funding to pilot an integrated carpool-to-public-…
The user survey reported the following:
E-scooters replaced personal car and ride-hailing trips. In 34 percent of cases, riders reported that their most recent scooter trip would have used either…
Methodology
The RSS was installed on an Oregon Department of Transportation (ODOT) maintenance truck, a vehicle moving along at a low speed (5-10 mi/h) behind maintenance equipment to warn drivers…
Methodology
Ten locations along OR 217 were fitted with large electronic variable speed message signs for both the northbound and southbound directions, with each travel lane having its own sign…
Benefit-to-Cost Analysis
Benefits and costs were evaluated to assess deployment and lifecycle O&M costs and the associated benefits to society in terms of improved pedestrian safety. Since…
Alternative devices to the traditional pedestrian-activated flashing beacon are cropping up all across the country. Two such devices, Pedestrian Hybrid Beacon (PHB) and the Rectangular Rapid…
Content references source material no longer available at its original location.
MethodologyA pilot study was carried out to estimate the values of parameters that affect the total travel time for a bus route in Portland, Oregon. The researchers used a trip time model to provide…
In Portland, the overall goal was to make the most of the transportation system by improving travel time reliability, reducing crashes, improving transit on-time arrivals, reducing travel delay,…
This project examined Metropolitan Planning Organization (MPO) investment decision making for Transportation Systems Management Organization (TSMO) projects in the Portland area.
In Portland, the…
METHODOLOGYData used in this study were extracted from an archived computer aided dispatch database (CAD), automatic vehicle location systems (AVL), inductive loop detectors, automatic traffic…
METHODOLOGYThe research team conducted a literature review and interviewed a total of 63 public and private organizations from across the nation, including transit agencies, State departments of…
FindingsTravel Time SavingsTravel time savings associated with TSP in North America have ranged from 2 to 18 percent, with typical reductions of 8 to 12 percent. In Los Angeles, the MTA saw a 7.5…
Content references source material no longer available at its original location.
FindingsBased on the optimization model, the authors concluded that by spacing the stops between 1,300 and 1,400 ft apart, TriMet's Route 19 could save over 5 minutes per trip after eliminating or…
FINDINGS
Although the basic system architecture of bus AVL systems has not changed much over the past 10 years, the degree of functionality and reliability of these systems has increased remarkably…
In Portland Oregon, Tri-Met is a leading example of an agency that has deployed both AVL and APC and has archived AVL-APC data analysis. Their integrated AVL-APC system provides route stop-level…
Notes:In this study, Tri-met intended to minimize impacts on opposing traffic by granting signal priority benefits only to buses running excessively behind schedule. The collateral impacts on other…
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 (…
Notes:
The benefits cited in the area of improved service reliability were determined based on field measurements, while the benefits of operating cost savings and increases in effective capacity are…
Consider third-party accessibility testing to enhance digital accessibility and ensure compliance with Web Content Accessibility Guidelines (WCAG) and screen readers. Valley Metro employed a third-…
The fact that sidewalk riding was lower along streets with lower speeds or designated bikeways demonstrates the importance of having protected facilities that minimize conflicts between pedestrians,…
The survey results and field tests of the blue light detection system and countdown timer suggest the following recommendations for practice:
Implement supplemental signage for comprehension in the…
Below is a summary of lessons learned acquired from the expert interviews and the implementation of the project.
The MOD Sandbox Program was found to be a critical enabler for bringing diverse…
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…
The following lessons were drawn from the source report:
Set character size, font, and brightness so messages displayed are easy to understand.
Configure speed display parameters based on the…
Content references source material no longer available at its original location.
Archived operational ITS data is a rich source of information for a range of transportation functions including policy and planning, monitoring system performance and the variability of performance,…
Through providing more efficient coordination and delivery of human services transportation, ITS technologies can be used to improve accessibility for the transportation disadvantaged. The diverse…
For travel time messaging systems to be effective, data needs to be accurate and reflect real time conditions. Data collection and analysis must be done in a manner that is both quick and efficient,…
The objective of any travel time messaging system is to provide drivers with the necessary means to make informed travel decisions while in route to their destinations. To plan, deploy, and operate a…
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…
Many agencies can benefit from the experiences of other agencies when planning and designing an ITS project. There are usually many issues that should be addressed and resolved in the early stages of…
There will almost always be technical issues encountered while integrating ITS components. The agency will not be able to anticipate all issues that might occur during a project deployment; however,…
Institutional issues are non-technical challenges that occur during the development and deployment of most projects. Recognizing and resolving these issues early and handling unforeseen issues timely…
Improve demand response transit using ITS technology, including CAD/AVL, with Mobile Data Terminals and electronic ID cards.
The Computer Assisted Dispatching/Automatic Vehicle Location…
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…
E-scooters emerged in 2017 as a new shared mobility service in the United States. Portland’s pilot began July 23, 2018 and ended November 20, 2018.
Five companies applied for permits, and three were…
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…
As part of a cooperative agreement with the Federal Transit Administration (FTA) the Tri-County Metropolitan Transportation District of Oregon (TriMet) equipped 45 buses with three types of…
This document discusses how MPOs have incorporated TSMO projects into the programming phase of transportation investment decisionmaking in metropolitan areas. Based on a sample of practices from MPOs…
In the Portland metro area, regional partners created a vision for Transportation System Management and Operations (TSMO). Key stakeholders from across the region including public agency staff,…
In the Portland metro area, regional partners created a vision for Transportation System Management and Operations (TSMO). Key stakeholders from across the region including public agency staff,…
In the Portland metro area, regional partners created a vision for Transportation System Management and Operations (TSMO). Key stakeholders from across the region including public agency staff,…
The Mobile Data Terminals study, published by the Transportation Research Board (TRB), defines the mobile data terminal (MDT) as "a multifunctional data collection device on board transit vehicles…
The Federal Transit Administration (FTA) sponsored a study to analyze the return-on-investment for real-time bus arrival time information systems. The Transit Tracker system deployed in the Tri-…
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…