During his career Roberts also served as chairman of the British Geological Survey, of the Football Stadia Advisory Design Council, the Second Severn Crossing Technical Adjudication Panel and as Visiting Professor at Loughborough University.
River Severn | Crossing Jordan | border crossing | Severn Valley Railway | Severn Estuary | Severn and Wye Railway | Washington Crossing the Delaware | Transatlantic crossing | Newnham on Severn | Napoleon Crossing the Alps | Animal Crossing | Thames and Severn Canal | Severn Tunnel | Severn Beach | Severn | Global Crossing | Dan Severn | Westbury-on-Severn | Severn Beach Line | Fort Severn | ford (crossing) | Dartford Crossing | Washington's crossing of the Delaware River | Washington Crossing Bridge | Severn School | Severn, Maryland | Severn estuary | Severn Darden | Severn Bridge | Second Severn Crossing |
The Gloucester Harbour Trustees are the Competent Harbour Authority (CHA) for the tidal part of the River Severn from the Gloucester weirs (Llanthony & Maisemore) down to just below the Second Severn Crossing, on the Welsh side of the Severn Estuary (north of Denny Island) from the Second Severn Crossing as far as Goldcliff, and on the River Wye up to its tidal limit (Bigsweir).