# A global map of travel time to cities to assess inequalities in accessibility in 2015

> Research article (Nature, 2018) · cited 1,194× · AI/ML

**Wikidata**: [openalex:W2783065878](https://www.wikidata.org/wiki/openalex:W2783065878)  
**Source**: https://4ort.xyz/entity/a-global-map-of-travel-time-to-cities-to-assess-inequalities-in-accessibility-in-2015