# Measuring fine-grained metro interchange time via smartphones

> Research article (Transportation Research Part C Emerging Technologies, 2017) · cited 14× · AI/ML

**Wikidata**: [openalex:W2621760811](https://www.wikidata.org/wiki/openalex:W2621760811)  
**Source**: https://4ort.xyz/entity/measuring-fine-grained-metro-interchange-time-via-smartphones