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Transit Safety Research

TCRP SA-54 Pedestrian and Bicycle Safety in Bus/BRT Corridors

The purpose of this synthesis project was to examine the state of practice in bus transit corridor planning, design, and construction as it relates to pedestrian and bike safety, public health, and equity. A specific focus was on bus lanes which accommodate high-frequency bus routes and bus rapid transit. The study focused on the interaction between buses, bicyclists, pedestrians, and vehicles at potential conflict points especially at bus stops, driveways, mid-block crossings, and intersections.

TCRP SA-51 Transit Safety Risk Assessment Methodologies

The objective of the project was to identify safety risk assessment (SRA) methodologies and/or approaches U.S. transit (bus and/or rail) systems are using and to explore the practices, benefits, and challenges of these methodologies. The project included a review of literature to document the many SRA methodologies including interviews with people working in risk outside of public transportation, a survey of transit agencies, and case study interviews with five agencies to understand more about their survey responses. The goal was to help the transit industry better understand current and new innovative state-of-the-practice SRA methodologies.

Bus Crash Analysis

Over a period of years, TTI researchers studied bus crash data across the Capital Metro service area. The first project involved analyzing the top crash types and developing recommendations for addressing the various types based on research of technologies, surveys of peer agencies, and comparing the bus crashes to other non-bus crashes. Crash frequencies as well as crash rates were evaluated to prioritize solutions. Crash hot spots were identified and studied in depth. Researchers assisted in the development of crash rate goals for contractors.

Click below to view the project report:

  • The Influence of Lane Width on Bus Crashes

Influence of Creative Advertisements in Rear-End Bus Safety Campaigns

Rear-ended collisions in which a vehicle rear ends a bus account for a relatively large proportion of total bus collisions. While the literature does identify transit organizations that have engaged in using rear-end safety advertisements as a collision countermeasure, quantitative studies on the effectiveness of such a countermeasure is lacking. This study involves a before-after analysis with a comparison group to evaluate the influence of creative advertisements used in the Capital Metro rear-end safety advertisement campaigns.

Click below to view project report and poster:

  • Influence of Creative Advertisements in Rear-End Bus Safety Campaigns (TRB Paper)
  • Influence of Creative Advertisements in Rear-End Bus Safety Campaigns (TRB Poster)

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