Topic #1: Bike Safety In Chicago
Source #1: “How Dangerous Is It To Bicycle Commute in Chicago?” by Chelsi Moy, Curious City, WBEZ, September 25, 2013 (http://www.wbez.org/series/curious-city/biking-chicago-risky-proposition-108762)
Thesis: An attempt to assess the statistical risk of injury or death when bicycle commuting in Chicago.
Data Point: In 2011, there were 336 dooring crashes in Chicago
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Source #2: “2012 Chicago Bike Crash Analysis”, by Chicago Department of Transportation, http://www.cityofchicago.org/content/dam/city/depts/cdot/bike/general/BikeCrashReport2012.pdf
Thesis: Summary of data collected from various sources from 2005-2010 to analyze bike safety issues and incidents in an attempt to create policies moving forward to reduce occurrences.
Data Point: In the six-year period between 2005 and 2010, there were nearly 9,000 injury crashes involving bicyclists, with 32 bicyclistfatalities. As a percentage of all traffic crashes, bicycle crashes are on the rise: from 6.7 percent of all crash types in 2005 to 9.8 percent of all crash types in 2010.
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Source #3: “City’s Most Dangerous Streets for Bikers”, by NBC5 Chicago, July 16th, 2013, http://www.nbcchicago.com/news/local/Report-Shows-Diagonal-Crossing-Areas-Worst-Place-For-Bikers-215251811.html
Thesis: This article names and outlines the most dangerous intersections reported in Chicago with the highest rates of crashes.
Data Point:
The street with the highest crash rate per mile during the six years studied was a 0.7-miles stretch on Milwaukee Avenue between North Avenue and Division with 50 crashes. Clark Street between Racine and Fullerton Avenues came in second place with 78 collisions in 1.6 miles and Milwaukee Avenue between Fullerton and Armitage came in third with 34 crashes in 0.7 miles, according to DNAinfo.com.
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Data Set: http://www.cmap.illinois.gov/mobility/walking-and-bicycling/safety maps and data collected for Chicago, and the state by IDOT and local agencies on pedestrian/motor/bicycle collisions.
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Project: http://ghostbikes.org/

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Topic #2: Divvy Bike-share Usage
Source #1: “Divvy bike-share expansion delayed until spring” by Jon Hilkevitch, Chicago Tribune, August 21, 2014 (http://www.chicagotribune.com/news/local/breaking/ct-divvy-new-stations-bikes-met-0821-20140821-story.html)
Thesis: The Divvy bike-share program has had plans to further expand their program which has only been delayed, apparently, by the bankruptcy of an equipment supplier.
Data Point: Divvy has grown to more than 2.3 million individual trips since the bike-share program was launched in June 2013.
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Source #2: “Divvy Map Shows How Commutes Vary in Chicago’s ‘Hoods” by Lizzie Schiffman, DNAinfo Chicago, July 3, 2014 (http://www.dnainfo.com/chicago/20140703/loop/divvy-data-visualization-map-charts-routes-trips-other-biking-behavior)
Thesis: Attempt to infer traffic patterns for all cyclists using Divvy usage data to possibly come up with ways to move cyclists around Chicago better.
Data: data….is the map (below).
Interactive Divvy Traffic Pattern Map
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Source #3: “New Data Reveals How Hyde Parkers Use Divvy”, by By Jeffery Bishku-Aykul and Jessica Kim Cohen, The Hyde Park Herald, July 23rd, 2014, http://hpherald.com/2014/07/23/new-data-reveals-how-hyde-parkers-use-divvy/
Thesis: An analysis of how Hyde Park residents are using the Divvy system.
Data Point: Divvy data also revealed a stark gender imbalance: among subscribers riding within Hyde Park, around 81 percent of trips were taken by men. This breakdown is reflected citywide, according to Greenberger.
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Data Set: https://www.divvybikes.com/data
Divvy’s Data Portal
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Project: Divvy Data Challenge 2014 (Infographics/data visualization challenge!)
