Title

Data Files: Contextual Guidance at Intersections for Protected Bicycle Lanes

Document Type

Dataset

Publication Date

2019

Subjects

Urban transportation, Cyclists -- Services for, Transportation -- Planning -- Oregon -- Portland, Transportation and state, Bicycle lanes, Cyclists -- Attitudes

Abstract

This data set is the 277 survey respondents who rated 26 first-person video clips of a bicyclist riding through mixing zones, lateral shifts, bend-in, bend-out and protected intersection designs. Metadata is provided in each file describing the variables. Surveys were conducted in person in a room set up with a video projector and sound system to more accurately reflect traffic noise and conditions. Locations were selected for high volumes of foot traffic. Locations included a farmer’s market in Portland, Oregon, a community center in Takoma Park, Maryland, and shopping centers in Minneapolis, Minnesota, and Woodburn, Oregon. Surveys were conducted on weekend days between May and July 2018. Participants were recruited by asking if they would be interested in taking a transportation survey with the opportunity to receive a $5 gift card. The first section of the survey involved watching the video clips then marking how comfortable they would feel if they were riding a bicycle in that place. The rating scale of 1 for “Very Uncomfortable,” 2 for “Somewhat Uncomfortable,” 3 for “Neither Uncomfortable nor Comfortable”; 4 for “Somewhat Comfortable”, and 5 for “Very Comfortable” was used. The video clips played on a continuous loop, and respondents could start at any point in the loop. Each of the 10-second clips were shown two times, after which the respondent was presented with a screen asking them to rate the clip. Several clips were shown a third time, and respondents were asked if they would ride (yes or no) in that location with a ten-year-old child. After completing the video portion of the survey, respondents were given a paper exit survey. The survey asked respondents to compare two pairs of intersections, first marking which of the first pair they preferred, then the second pair, and finally, the overall preference. For each selection, they were asked to specify why they preferred that intersection. The first pairing was two designs that mixed bicycle and turning motorist paths, a mixing zone from NE Multnomah St. in Portland and a lateral shift design from Roosevelt Way NE in Seattle. The second pairing was two designs that maintained separation: a protected intersection on 300S in Salt Lake City and a bend-in design on West 14th Ave. in Denver. Finally, respondents were asked about bicycling behavior, attitudes general demographics. A total of 277 survey responses were collected and coded, providing 7,166 clip ratings.

Description

These data files support a final report published on NITC’s website “Contextual Guidance at Intersections for Protected Bicycle Lanes” (2019). https://dx.doi.org/10.15760/trec.241

Persistent Identifier

https://archives.pdx.edu/ds/psu/32786

Locations.xlsx (18 kB)
Describes the geometric and other features of the 13 intersections that were filmed and used in the survey.

Ratings.xlsx (122 kB)
Describes Individual ratings of each clip by each respondent.

Clips.xlsx (17 kB)
Features of the 26 video clips

Respondents.xlsx (138 kB)
Demographic and related questions answered by each respondent.

SurveyInstrument.pdf (290 kB)
The survey instrument as distributed and viewed by the respondents.

Clip1.mp4 (23565 kB)
Video

Clip2.mp4 (36139 kB)
Video

Clip3.mp4 (34617 kB)
Video

Clip4.mp4 (49441 kB)
Video

Clip5.mp4 (36453 kB)
Video

Clip6.mp4 (37637 kB)
Video

Clip7.mp4 (26503 kB)
Video

Clip8.mp4 (24012 kB)
Video

Clip9.mp4 (27062 kB)
Video

Clip10.mp4 (34962 kB)
Video

Clip11.mp4 (43189 kB)
Video

Clip12.mp4 (32258 kB)
Video

Clip13.mp4 (40842 kB)
Video

Clip14.mp4 (34353 kB)
Video

Clip15.mp4 (40510 kB)
Video

Clip16.mp4 (30823 kB)
Video

Clip17.mp4 (34763 kB)
Video

Clip18.mp4 (46871 kB)
Video

Clip19.mp4 (26811 kB)
Video

Clip20.mp4 (41960 kB)
Video

Clip21.mp4 (33175 kB)
Video

Clip22.mp4 (33713 kB)
Video

Clip23.mp4 (32290 kB)
Video

Clip24.mp4 (31107 kB)
Video

Clip25.mp4 (30887 kB)
Video

Clip26.mp4 (25625 kB)
Video

Share

COinS