He replaces Tracy Barlow and will also be a member of the Highways Agency audit committee.
Highways Agency chairman Alan Cook said: "Simon’s breadth of experience across the transport & infrastructure sectors will further enhance the expertise of the Highways Agency Board, which will help in driving the Agency ever closer to its goal of becoming a best-in-class organisation."
Chief executive Graham Dalton added: "I am delighted to welcome Simon Murray to the Highways Agency. He has long experience at a strategic level in the delivery and management of transport infrastructure, and I look forward to him bringing this world-class experience to our board."
In the 1990s Mr Murray worked for John Egan at BAA, leading the transformation of BAA’s construction programme and the preparations for the construction of Terminal 5. Since 2001 he has been an independent consultant specialising in infrastructure development and modern methods of construction.