Geography of motor vehicle crashes involving cyclists in the United States.

Authors: Ivan Cheung*, National Transportation Safety Board
Topics: Transportation Geography, Geographic Information Science and Systems, Medical and Health Geography
Keywords: Cycling, transportation safety, active transportation
Session Type: Paper
Day: 4/7/2019
Start / End Time: 2:00 PM / 3:40 PM
Room: Truman, Marriott, Mezzanine Level
Presentation File: No File Uploaded


Cycling has become very popular in the United States in recent years. According to the US Census Bureau, almost a million workers traveled to work by bicycle in 2014, representing a substantial increase from just under 500,000 workers in 2000. The proportion of bicycle commuters in principal cities increased from 0.7 percent in 2006 to 1.2 percent in 2014. State and city transportation agencies have also been promoting active transportation. For example, Peopleforbikes.org estimated that 99 protected bike lanes (totaling almost 70 miles) were completed in the United States in 2017, representing a large increase from only 15 protected bike lanes (13 miles) in 2010. Furthermore, bikeshare systems and ridership have also grown, especially in large cities. In 2010, there were only 1,600 bikes in bikeshare systems with about 320,000 trips taken. In 2016, there were 42,000 bikes with 28 million trips. During the 10-year period of 2008 and 2017, 7,327 cyclists died in motor vehicle crashes according to NHTSA. In 2016 alone, the CDC estimated that almost 200,000 persons sustained nonfatal injuries. This paper examines fatal crashes involving cyclists (from NHTSA) and nonfatal crashes involving cyclists from 9 states (one state from each of Census divisions). The objectives include: (1) establishing the spatial-temporal characteristics; (2) identifying crash types that have distinctive geographic characteristics; and (3) comparing with pedestrian crashes.

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