# Trend shifts in road traffic collisions: An application of Hidden Markov Models and Generalised Additive Models to assess the impact of the 20 mph speed limit policy in Edinburgh

> Research article (Environment and Planning B Urban Analytics and City Science, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3118607057](https://www.wikidata.org/wiki/openalex:W3118607057)  
**Source**: https://4ort.xyz/entity/trend-shifts-in-road-traffic-collisions-an-application-of-hidden-markov-models-and-generalised-additive-models-to-assess