Bicycle_signage#

Survey data where respondents describe the safety and propriety of a situation where a bicyclist is taking the full lane on a narrow, two lane road.

From the authors: “Many global challenges, including obesity, health care costs, and climate change, could be addressed in part by increasing the use of bicycles for transportation. Concern about the safety of bicycling on roadways is frequently cited as a deterrent to increasing bicycle use in the USA. The use of effective signage along roadways might help alleviate these concerns by increasing knowledge about the rights and duties of bicyclists and motorists, ideally reducing crashes.”

Initialization#

library(fosdata)
data <- fosdata::bicycle_signage

Accessing fields#

data <- fosdata::bicycle_signage
mv_wait2 <- data$mv_wait2 # Just a random field in the dataset

Interactive R Sample#

You can use the R editor below to interactively explore the dataset and generate plots. This contains a fully self-contained R environment with fosdata, ggplot2, and dplyr loaded.

webR + fosdata Test

Console
Plot

    
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scatterplot

LLM instructions#

If using an LLM, you can copy-paste the following instructions to accompany your prompt to inform the model of the fields and their types in the dataset.

LLM Instructions
The fosdata::bicycle_signage dataset containing the following fields:

fields[11]{name,type,values}:
  treatment,character,[1_None,4_BMUFL,2_STR,3_SLM]
  bike_move_right2,factor,[1_Agree,0_Disagree]
  mv_wait2,factor,[0_Disagree,1_Agree]
  permitted2,factor,[1_Agree,0_Disagree]
  safe2,factor,[1_Agree,0_Disagree]
  cycle_distance,factor,[More than 50 miles,11 - 50 miles,Less than 10 miles,None]
  mv_distance,factor,[Less than 50 miles,None,51 - 200 Miles,More than 200 Miles]
  commute_type2,factor,[Other,MotorVehicle]
  state,character,n/a
  gender,factor,[Male,Female]
  education,factor,[4-Year College,Graduate Degree,Community College,High School,Did not graduate high school]

Fields#

Name Description Type Min Max Values
treatment The traffic control device the respondent viewed. 1_None (no signage); 2_STR (Share the Road signage); 3_SLM (Shared Lane Markings); 4_BMUFL (Bicycles May Use Full Lane signage) character - - 1_None, 4_BMUFL, 2_STR, 3_SLM
bike_move_right2 Response to the bicyclist should move to the right and allow the following motorist to pass within the lane. factor - - 1_Agree, 0_Disagree
mv_wait2 Response to the motorist behind the bicyclist should slow and wait for a break in incoming traffic before passing in the adjacent lane. 0_Disagree; 1_Agree factor - - 0_Disagree, 1_Agree
permitted2 Response to the bicyclist is permitted to ride in the center of the lane. factor - - 1_Agree, 0_Disagree
safe2 Response to it is safe for the bicyclists to ride in the center of the lane. factor - - 1_Agree, 0_Disagree
cycle_distance How many miles do you bicycle during a typical week factor - - More than 50 miles, 11 - 50 miles, Less than 10 miles, None
mv_distance How many miles do you drive a motor vehicle during a typical week factor - - Less than 50 miles, None, 51 - 200 Miles, More than 200 Miles
commute_type2 CommuteType recoded to motor vehicle or something else factor - - Other, MotorVehicle
state State of residence character - - -
gender Male or female factor - - Male, Female
education Level of education factor - - 4-Year College, Graduate Degree, Community College, High School, Did not graduate high school

Source#

Hess G, Peterson MN (2015) “Bicycles May Use Full Lane” Signage Communicates U.S. Roadway Rules and Increases Perception of Safety. PLoS ONE 10(8): e0136973. https://doi.org/10.1371/journal.pone.0136973