‹ back to GIS Glossary

Accessibility Mapping

Definition

Accessibility mapping analyzes how easily people can reach services (e.g., healthcare, education) based on travel time, distance, or barriers. It integrates spatial data (e.g., roads, terrain) with demographic data to identify underserved areas and optimize resource allocation.

Application

Used in urban planning to design equitable transit systems and locate new facilities (e.g., hospitals). Disaster response teams apply it to identify hard-to-reach areas during emergencies. NGOs use it to prioritize aid delivery in rural regions. Retailers analyze accessibility to optimize store locations. Tools like network analysis in GIS software (e.g., ArcGIS Network Analyst) model travel routes, incorporating variables like traffic or physical obstacles (e.g., stairs for wheelchair access).

FAQ

1. Which industries benefit most from accessibility mapping?

Urban planning, public health, logistics, and disaster management.

2. What data sources are used?

Road networks, population density, terrain models, and service locations.

3. How does accessibility mapping address social equity?

By highlighting gaps in service availability for marginalized groups.

4. Can it account for real-time conditions like traffic?

Yes, when integrated with live traffic data or APIs.