Severn Valley Railway steam train crosses a bridge on 2nd January 2020 near Arley, United Kingdom. The Severn Valley Railway is a heritage railway in Shropshire and Worcestershire, England. The 16-mile heritage line runs along the Severn Valley from Bridgnorth to Kidderminster, crossing the Shropshire/Worcestershire border, following the course of the River Severn for much of its route.