# A 3D-RRT-star algorithm for optimizing constrained mountain railway alignments

> Research article (Engineering Applications of Artificial Intelligence, 2023) · cited 29× · AI/ML

**Wikidata**: [openalex:W4390296083](https://www.wikidata.org/wiki/openalex:W4390296083)  
**Source**: https://4ort.xyz/entity/a-3d-rrt-star-algorithm-for-optimizing-constrained-mountain-railway-alignments