Data sources:

(1) Healthy Ride Trip & Station Data

https://data.wprdc.org/dataset/bike-rack-locations-downtown-pittsburgh

https://data.wprdc.org/dataset/healthyride-trip-data

(2) BikePGH's Pittsburgh Bike Map Geographic Data

https://data.wprdc.org/dataset/shape-files-for-bikepgh-s-pittsburgh-bike-map

(3) Pittsburgh Topography/Contour data

https://www.arcgis.com/home/item.html?id=d0520a19fe874639bc633831953dc91c

(4) Port Authority of Allegheny County Transit Routes & Stops

https://data.wprdc.org/dataset/port

https://data.wprdc.org/dataset/port-authority-of-allegheny-county-transit-stops

Precedents:

(1) Pittsburgh's Bus Bunching Bad News Bears http://bunching.github.io/

(2) Candy Chang– Before I Die; Community Chalkboards http://candychang.com/work/

(3) Promise Tracker http://promisetracker.org/

Related news:

(1) “Why Would Someone Climb Pittsburgh's Steepest Hills On A Healthy Ride Bike? To Prove It Can Be Done” http://wesa.fm/post/why-would-someone-climb-pittsburghs-steepest-hills-healthy-ride-bike-prove-it-can-be-done#stream/0

(2) “Pittsburgh's Healthy Ride not so healthy, but changes are on the way” http://www.post-gazette.com/local/city/2017/07/17/healthy-ride-pittsburgh-bike-rentals-bikeshare-programs-pa/stories/201707170010