# Impacts of COVID-19 on urban rail transit ridership using the Synthetic Control Method

> Research article (Transport Policy, 2021) · cited 77× · AI/ML

**Wikidata**: [openalex:W3182573245](https://www.wikidata.org/wiki/openalex:W3182573245)  
**Source**: https://4ort.xyz/entity/impacts-of-covid-19-on-urban-rail-transit-ridership-using-the-synthetic-control-method