Professor John Parkin, Professor of Transport Engineering at the University of the West of England and Deputy Director of the Centre for Transport and Society
Yr Athro John Parkin, Athro Peirianneg Trafnidiaeth ym Mhrifysgol Gorllewin Lloegr a Dirprwy Gyfarwyddwr y Ganolfan Drafnidiaeth a Chymdeithas.