Use the three options below to explore the isochrones that have been generated for all stations of Bogota's Official Fire Department.
See how long it would take firefighters to reach any place in Bogota
About this site...
The distribution of emergency services in a city is key to ensure that timely assistance is available regardless of the time and location of an incident. The Official Fire Department in Bogota, Colombia, covers the urban and rural territory of the city with 17 stations.
How long would it take for the fire services to reach a place in Bogota? Are all areas in Bogota equally serviced? How the current distribution of stations affect response times across the city?
This site provides a tool for the residents, firefighters, and members of the local government to explore answers to these questions.
Let's dive in!
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What are isochrones?
Isochrones are lines that enclose the area that is reachable within a timeframe. For example, for
the fire stations, the places where a fire respondent can travel to within 5, 10, or 15 min. Unlike the
straight line distance, isochrones are produced using the road network to account for the accessibility of
certain areas. The isochrones for this web have been generated using the OTP package in R.
Limitations
Many assumptions were involved in the generation of these isochrones; first, it was assumed that fire machines would travel at the same average speed as the private vehicles in Bogota; second, emergency services use only the public roads in the posted direction; and, finally, there is not impact of traffic congestion on the response time. Therefore, isochrones are expected to represent a conservative scenario.
Data and Methods
The datasets and scripts used to produce the isochrones in this site are publicly available. You can obtain the data from Bogota's open data platform and BBBike; and the code to process them from this GitHub repository.