Corporate DS/IM/48 Isle of Man; Highway and Transport Board; 1946-1986 Highway and Transport Board Isle of Man 1946-1986 The Highways Board became the Highway and Transport Board in 1946. After the transition to ministerial government in the mid 1980s, government departments replaced the board system. The functions of the board were transferred to the newly formed Department of Highways, Ports and Properties in 1986 alongside functions of the Airports Board, Harbour Board and Government Property Trustees. A board of Tynwald [Isle of Man Parliament] D.G. Kermode, 'Off Island Politics: The Constitutional and Political Development of the Isle of Man in the Twentieth Century' (Liverpool University Press, 2001) International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) 2nd edition - ICA 2004 ISBN 2-9521932-2-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 Yes Graski 25/02/2016 Graski 25/02/2016 a760fa4d-8715-4c04-9bd2-16db985aa09f