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Publication Number:  FHWA-HRT-13-098    Date:  January 2014
Publication Number: FHWA-HRT-13-098
Date: January 2014

 

Human Factors Assessment of Pedestrian Roadway Crossing Behavior

Dates/Times Coded

Only sub-portions of the vast quantity of video recorded data were coded, owing to both time and project scope requirements of the current study. The scope of the present study included only daytime pedestrian crossings. As such, nighttime data were not examined.

Each of the eight cameras was coded for the entire day of February 9, 2012 (daytime hours only). The peak pedestrian traffic times were selected based on this information. As a result of pedestrian traffic and sunrise/sunset times, data were coded from 7:30 to 9:30 a.m., 11:30 to 1:30 p.m., and 4:00 to 5:00 p.m. Locations 1, 3, 4, 6, 7, and 8 were coded Monday through Friday, February 9 through February 21, 2012. Location 2 was not coded on February 10 or 13 because of a camera malfunction that resulted in a “frozen” image. In other words, no new feed from the camera was recorded. Location 5 was not coded after February 13 because the camera was facing a different direction that did not allow for data coding based on the previously mentioned location requirements.

Weather

Table 1 describes the weather and corresponding sunrise/sunset times for each of the days that data were coded.

Table 1. Relevant sunrise, sunset, and weather for each of the coded data collection days.

Date

Sunrise

(a.m.)

Sunset

(p.m.)

High Temperature (F)

Low Temperature (F)

General Weather

Precipitation Accumulation (inches)

2/09/2012

7:07

5:39

47

33

Partly Cloudy

2/10/2012

7:05

5:40

47

32

Rain

0.11

2/13/2012

7:02

5:43

49

24

Partly Cloudy

2/14/2012

7:01

5:44

56

38

Mostly Cloudy

2/15/2012

7:00

5:45

54

39

Windy

2/16/2012

6:58

5:46

47

42

Rain

.09

2/17/2012

6:57

5:48

54

39

Fog

2/20/2012

6:53

5:51

50

34

Partly Cloudy

2/21/2012

6:52

5:52

50

33

Windy

— Indicates no recorded precipitation.

 

Inter-Rater Reliability

Three different researchers coded the video data. Each of the researchers had been to the actual data collection/DDOT camera locations. To ensure that each rater was coding instances similarly, inter-rater reliability was assessed. Three randomly selected 5-min segments of video were coded by all three researchers. There was a 100-percent agreement among the raters. This is not to say that all three raters agreed on every crossing across all of the data. However, it does provide evidence that all three raters were using the same crossing factor definitions, and the video provided enough information to clearly identify the circumstances of the pedestrian crossings.

Each of the raters coded approximately one-third of the total video data in this phase.

 

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