# Understanding the costs of urban rail transport operations

> Research article (Transportation Research Part B Methodological, 2020) · cited 42× · AI/ML

**Wikidata**: [openalex:W3034207963](https://www.wikidata.org/wiki/openalex:W3034207963)  
**Source**: https://4ort.xyz/entity/understanding-the-costs-of-urban-rail-transport-operations