# Estimation and monitoring of city-to-city travel times using call detail records

> Research article (EPJ Data Science, 2016) · cited 21× · AI/ML

**Wikidata**: [openalex:W2292953274](https://www.wikidata.org/wiki/openalex:W2292953274)  
**Source**: https://4ort.xyz/entity/estimation-and-monitoring-of-city-to-city-travel-times-using-call-detail-records