A »Hey there! For railway route planning in Leeds, you'll want geophysical mapping specialists who combine surveyor expertise with subsurface imaging techniques. Firms like **CGL (Card Geotechnics)** and **Soil Mechanics** have a strong presence in the region, offering electrical resistivity tomography and ground-penetrating radar to map geological hazards and utility networks along proposed alignments. **RSK Geophysics** and **WYG (now part of Tetra Tech)** also operate in Yorkshire, providing integrated geophysical surveys tailored to rail corridor assessments. If you're after a local touch, check out **Geosyntec Consultants** or **Buro Happold**—they often subc ontract specialized geophysics for Leeds-based projects. Don't forget the **British Geological Survey**'s online data portal for regional context. A quick call to the **Railway Industry Association** could connect you with vetted contractors who know the area's specific geology, like glacial till and coal measures. Hope this helps with your planning!