Briannbsp;Hawkernbsp;has been involved with highway design and construction since the 1950s working for consulting engineers, local and central government. He was Head of Roads Major Projects Division in the Welsh Office.nbsp;Howard Stevensnbsp;has worked as supervisory management, with motorways and major roadworks from the North West to the Midlands, London and the South East, Yorkshire, the West Country, and North and South Wales.