Data and credits

Hopalong is built on open data and open-source software. Thank you to everyone who makes them.

Maps and directions

• Map data © OpenStreetMap contributors, available under the Open Database License (ODbL).
• Map tiles from OpenFreeMap, using OpenMapTiles.
• Map drawing by MapLibre GL JS.
• Directions by Valhalla on the FOSSGIS public server. Terrain heights © U.S. Geological Survey and U.S. National Oceanic and Atmospheric Administration.
• Search by Photon (komoot), and address lookup by the U.S. Census Bureau geocoder.
• Business listings from Overture Maps Foundation places data, under the Community Data License Agreement – Permissive 2.0.

Weather

• Weather data by Open-Meteo.com (CC BY 4.0).

Safety data

• Pittsburgh police incident reports from the Western Pennsylvania Regional Data Center.
• Philadelphia police incident reports from OpenDataPhilly.
• Allentown police incident data from the City of Allentown's open data.
• Town-level crime rates in every state: police department crime counts from the FBI's official Crime Data Explorer API via api.data.gov, with town boundaries and 2020 population from the U.S. Census Bureau's TIGERweb (public domain). This product uses Census Bureau data but is not endorsed or certified by the Census Bureau.
• Pittsburgh street closures from the City of Pittsburgh's Department of Mobility and Infrastructure, via the Western Pennsylvania Regional Data Center (Creative Commons Attribution).
• Pittsburgh game dates and times typed in from each team's official schedule; incline hours and fares from Pittsburgh Regional Transit and the Duquesne Incline.
• Crash and deer hot spots from PennDOT crash records.
• Fatal-crash hot spots in other states from NHTSA's Fatality Analysis Reporting System (FARS) (public domain).
• Every degree-granting college campus in the 50 states and DC from the IPEDS institution directory (public domain). U.S. Department of Education. Institute of Education Sciences. Campus grounds in Pennsylvania from OpenStreetMap.
• Safe havens, street lighting and sidewalks along walks from OpenStreetMap; opening hours as listed there (call ahead if unsure).
• Sunrise and sunset calculated on your phone with the standard NOAA solar formulas.
• Campus police and escort numbers from each school's own public safety website, checked against it each semester.

Reported crime reflects where police patrol and where people report, as well as where crime happens. Fewer reports does not guarantee safety.