Content that references this location

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…
Content type
Date Posted
08/25/2021

Approximately 60 Percent of Survey Respondents in Portland Reported That a Shared-Use Mobility Option Offered by TriMet’s Trip Planner Would Improve Their Mobility; Moreover, 20 Percent Said It Would Greatly Improve Their Mobility.

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…
Content type
Date Posted
06/21/2021

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
Date Posted
05/25/2021

More transit use, more walking, higher satisfaction: Early results from the Mobility on Demand (MOD) Sandbox pilot projects.

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-…
Content type
Date Posted
03/30/2020

Truck-mounted radar speed signs were effective in reducing traffic speeds by 5 to 23 percent versus reductions of 4 to 8 percent in work zones without them.

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…
Content type
Date Posted
08/28/2017

Benefit-to-cost ratios for buses equipped with pedestrian warning systems were baselined at 28:1.

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…
Content type
Date Posted
12/08/2015

Pedestrian control devices reviewed by the Oregon Department of Transportation prompt driver compliance rates up to 98 percent.

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 type
Date Posted
03/31/2015

Stop consolidation and reduced boarding time concepts could save a single route 8.5 hours a day and $180,000 a year.

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…
Content type
Date Posted
03/31/2015

A typical signal timing project in Portland saves over 300 metric tons of CO2 annually per retimed traffic signal.

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,…
Content type
Date Posted
01/23/2015

Transit signal priority in the Portland metro area can reduce transit delay by 30 to 40 percent and improve travel times 2 to 16 percent.

This project examined Metropolitan Planning Organization (MPO) investment decision making for Transportation Systems Management Organization (TSMO) projects in the Portland area. In Portland, the…
Content type
Date Posted
01/23/2015

Break even point calculated for an incident response program: reducing 30 seconds per incident results in $711,300 reduction in costs of delay, equivalent to the cost of operating the incident response program for a year.

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…
Content type
Date Posted
09/17/2013
Taxonomy (ARC-IT) Roadway Service Patrols (PS08)

Portland's TriMet and San Francisco's Muni transit agencies saved thousands of dollars in development costs and service fees through the use of Open Source Software (OSS).

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…
Content type
Date Posted
07/12/2013

Transit signal priority reduced average bus travel times by 7.5 and 15 percent along major bus corridors in Los Angeles and Chicago, respectively.

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 type
Date Posted
06/03/2013
Taxonomy (ARC-IT) Transit Signal Priority (PT09)

Analysis of optimal bus stop spacing based on archived automatic vehicle location data shows potential savings of $100,000 per year on one route.

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…
Content type
Date Posted
10/02/2012

Increasing integration between AVL systems, components, and interfaces has improved the ability of transit agencies to collect data on location and schedule adherence; support operational control, service restoration, and planning activities.

In Portland, Oregon, the Tri-Met transit agency used archived AVL data to reduce variation in run times, improve schedule efficiency, and make effective use of resources.

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…
Content type
Date Posted
10/14/2008

When transit signal priority was not used in Portland, Oregon; bus travel times increased up to 4.2 percent during peak periods and up to 1.5 percent in non-peak periods.

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…
Content type
Date Posted
11/12/2003
Taxonomy (ARC-IT) Transit Signal Priority (PT09)

Evaluation of several transit signal priority systems found decreased bus travel time variability by 35 percent, lowered bus travel times by 6 to 27 percent, reduced AM peak intersection delay by 13 percent, and decreased signal-related bus stops by

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 (…
Content type
Date Posted
04/10/2002
Taxonomy (ARC-IT) Transit Signal Priority (PT09)

In 1998, in Portland, Oregon an automatic vehicle location system with computer aided dispatching improved on-time bus performance by 9 percent, reduced headway variability between buses by 5 percent, and decreased run-time by 3 percent.

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…
Content type
Date Posted
09/21/2000

Consider Third-party Accessibility Testing to Enhance Digital Accessibility and Ensure Compliance with Web Content Accessibility Guidelines and Screen Readers.

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-…
Content type
Date Posted
06/30/2023

User Survey Results from the E-scooters Pilot in Oregon Indicated the Importance of Having Protected Facilities that Minimize Conflicts Between Pedestrians, E-scooters, and Vehicles.

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,…
Content type
Date Posted
06/21/2022

Increase Comprehension of Blue Light Bicycle Detection Systems By Installing Supplemental Signage on the Far-side of the Intersection, as Opposed to the Near-Side.

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…
Content type
Date Posted
08/25/2021

The Mobility on Demand (MOD) Sandbox Program Was Found to Be a Critical Enabler for Unifying Public Transit Agencies Around Data Standards and Data-sharing Expectations.

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…
Content type
Date Posted
06/21/2021

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
Date Posted
05/25/2021

Use truck-mounted radar speed signs to help reduce vehicle speeds through continuously moving and intermittent mobile work operations.

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 type
Date Posted
10/09/2017

Adhere to recommendations of the National ITS Architecture for the archived ITS data user service (ADUS) and develop a regional partnership of transportation agencies for the successful implementation of an ITS data archive.

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,…
Content type
Date Posted
01/15/2012

Recognize issues in deploying ITS technologies for coordinating and improving Human Services Transportation.

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…
Content type
Date Posted
07/15/2008

Optimize travel time messaging operations by improving the way in which data is collected, analyzed, and displayed.

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,…
Content type
Date Posted
10/31/2007

Develop a user-oriented system for displaying travel time messages on dynamic messages signs.

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…
Content type
Date Posted
10/31/2007

Implement standardized procedures for sharing, accessing and storing transportation data across the enterprise.

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…
Content type
Date Posted
09/26/2007

Minimize technical issues encountered with integrating ITS components by planning for issues and developing solutions prior to project implementation.

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,…
Content type
Date Posted
10/25/2005

Improve demand response transit using ITS technology, including CAD/AVL, with Mobile Data Terminals (MDT), electronic ID cards, and Geographic Information Systems (GIS).

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…
Content type
Date Posted
09/16/2005

Install Automatic Vehicle Location (AVL) technology to greatly enhance transit agency performance.

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…
Content type
Date Posted
09/16/2005

The Portland Bureau of Transportation (PBOT) spent a total of $287,282 on a 2018 shared dockless e-scooter pilot program, with $212,077 of the costs recovered by program and permit fees.

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…
Content type
Made Public Date
02/25/2019

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

Capital costs for a transit vehicle pedestrian warning system installed on 45 buses in Portland ranged from $58,500 to $97,200.

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…
Content type
Made Public Date
12/17/2015

The overall cost to implement a region-wide Traffic Management System in Portland Oregon was estimated at $36 million.

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…
Content type
Made Public Date
02/26/2015

The capital cost to centralize all real-time roadway traveler information to the TripCheck Travel Information Portal was estimated at $3 million.

The capital cost to integrate voice and data networks for regional traffic incident management was estimated at $10 million.

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,…
Content type
Made Public Date
01/23/2015

The capital cost to install a next generation transit signal priority system in the Portland area was estimated at $500,000.

Capital costs for transit vehicle mobile data terminals typically range between $1,000 and $4,000 per unit, with installation costs frequently between $500 and $1,000.

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…
Content type
Made Public Date
09/08/2008

The Portland TriMet Transit Tracker real-time traveler information system cost approximately $1.075 million to design and implement.

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-…
Content type
Made Public Date
07/29/2008

Based on information from 18 agencies worldwide, the costs of real-time bus arrival information systems vary depending on AVL technology, fleet size, and provisioning of real-time information.

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…
Content type
Made Public Date
06/01/2004