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SOURCE Mineta Transportation Institute
Mineta National Transit Research Consortium report offers performance criteria for Washington and other cities
SAN JOSE, Calif., Dec. 30, 2013 /PRNewswire-USNewswire/ -- Could transit reliability help to reduce congestion and pollution in urban districts by stimulating more ridership? A new peer-reviewed research report, Reliability of Bus Transit Schedules in Washington DC, proposes that greater reliability of transit schedules could motivate more people to leave their vehicles at home and ride the bus. These research results from the Washington DC area could be applied to many other transit districts. The report was authored by Stephen Arhin, PhD, Errol D. Noel, PhD, and Janet Thomas, all of Howard University and working under the sponsorship of the Mineta National Transit Research Consortium.
"Before they decide to ride transit, people place great importance on its reliability, especially in urban areas," said Dr. Arhin. "Will the bus or train arrive on time? Can passengers make their connections? Will they be standing in the rain waiting for a late bus? This is why most transit agencies set certain performance criteria, including on-time arrival and departure. Our research goal was to determine whether the Washington Metropolitan Transit Authority (WMATA) achieved its own performance criterion for timeliness and to recommend improvements."
The generally accepted standard for "on time" is one minute early and five minutes late. The WMATA criterion was broader – two minutes early and seven minutes late. After analyzing 15 WMATA lines for one year (summer 2012-summer 2013), the researchers found that the bus system met its own performance goal 75 percent of the time, on average. However, it met the industry standard criterion only 61 percent of the time, on average. The report includes individual performance results for each of the 15 studied lines.
The research team recommended that WMATA adapt the industry standard criterion for on-time performance. A second recommendation stipulated that scheduled arrival studies should be conducted periodically on several representative WMATA bus lines and routes so adjustments could be made and progress could be monitored.
A third recommendation suggested that WMATA conduct a travel and run-time study using automated data collection to gauge the efficiency of bus travel on heavily traveled and patronized routes.
The team also recommended that data should be routinely compiled and analyzed for WMATA's performance or reliability indicators on 3-5 year cycles because characteristics of routes (e.g., land-use patterns) could change over time.
In addition to the on-time arrival metric at bus stops, industry literature recommended that travel time, dwell time at stops, run time, and transit level of service should also be considered in evaluating schedule performance. One reliability survey (Cleveland) noted that its transit riders generally have a favorable opinion of transit reliability, whereas non-riders of non-frequent riders generally do not.
The 52-page report includes 19 figures and 12 tables. It can be downloaded at no cost from http://transweb.sjsu.edu/project/1139.html
The Mineta National Transit Research Consortium is led by the Mineta Transportation Institute in San Jose CA.
ABOUT THE PRINCIPAL INVESTIGATORS
Stephen Arhin, PhD, is an assistant professor of the Department of Civil and Environmental Engineering of Howard University, the associate director of the Howard University Transportation Research and Traffic Safety Data Center (HUTRC), and the associate director of the transit research conducted by Howard University under the Mineta National Transit Research Consortium. His experience spans more than 18 years in all facets of transportation and traffic safety engineering, including traffic safety and operations, research, planning, transit operations and ITS.
Errol C. Noel, PhD, is a tenured full professor and chair (2000-2010) of the Department of Civil and Environmental Engineering of Howard University, director of the Howard University Traffic Safety and Transportation Data Center, and director for transit research conducted by Howard University as a member of the Mineta National Transit Research Consortium. He teaches graduate and undergraduate courses in traffic and highway engineering, project management, and engineering systems analysis.
ABOUT THE MINETA NATIONAL TRANSIT RESEARCH CONSORTIUM
The Mineta National Transit Research Consortium (MNTRC) is composed of nine university transportation centers led by the Mineta Transportation Institute at San Jose State University. The Consortium was organized in January 2012 after winning a competition sponsored by the US Department of Transportation (DOT) to create consortia tasked with "Delivering Solutions that Improve Public Transportation." Member universities include Bowling Green State University, Grand Valley State University, Howard University, Penn State University, Rutgers University, San Jose State University, University of Detroit Mercy, University of Nevada Las Vegas, and University of Toledo. Visit transweb.sjsu.edu/mntrc
ABOUT THE MINETA TRANSPORTATION INSTITUTE (MTI):
MTI conducts research, education, and information transfer programs focusing on surface transportation policy and management issues, especially related to transit. MTI was established by Congress in 1991 as part of the Intermodal Surface Transportation Efficiency Act and won national re-designation competitions in 2002, 2006 and 2011. The Institute is funded by Congress through the US DOT, by the California Legislature through Caltrans, and by public and private grants. In 2006 the US Department of Homeland Security selected MTI as a National Transportation Security Center of Excellence. The internationally respected members of the MTI Board of Trustees represent all major surface transportation modes. MTI is the lead institute for the Mineta National Transit Research Consortium, an affiliation of nine university transportation research centers. MTI is affiliated with San Jose (CA) State University's College of Business. Visit transweb.sjsu.edu
Contact: Donna Maurillo
MTI Communications Director
donna.maurillo (at) sjsu.edu
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