Spatial analysis of service areas for stroke centers in a city with high traffic congestion

Ivan Pradilla, Jaiver Enrique Macea-Ortiz, Paola Pastora Polo-Pantoja, Maria Alejandra Palacios-Ariza, Andrés Felipe Díaz-Forero, Alejandro Velásquez-Torresc, Alberto Vélez-van-Meerbeke

Research output: Contribution to journalArticlepeer-review


The effect that traffic congestion has on the service areas of stroke centers has received scarce attention. We aimed to determine the effect of traffic conditions on the characteristics of service areas of stroke centers in Bogotá, Colombia. Using a webservice, we sampled travel times from a set of census blocks to medical centers offering stroke management in the city. We obtained 179.340 transport times under different conditions. The size of service areas was reduced significantly with congestion (up to 94.83%). Overlap in the locations of centers led to large areas covered by only five centers. We identified areas with transport times to the closest center consistently exceeding 30-minutes to 1-hour in the west and south-west. Traffic conditions in Bogotá significantly affect service areas of centers capable of offering comprehensive stroke care. Spatial overlap of centers led to small catchment areas.

Original languageEnglish (US)
Article number100377
JournalSpatial and Spatio-temporal Epidemiology
StatePublished - Nov 1 2020

All Science Journal Classification (ASJC) codes

  • Epidemiology
  • Geography, Planning and Development
  • Infectious Diseases
  • Health, Toxicology and Mutagenesis


Dive into the research topics of 'Spatial analysis of service areas for stroke centers in a city with high traffic congestion'. Together they form a unique fingerprint.

Cite this