Isle of Man Highway Board. This followed a series of fatal accidents during the start of the 1978 Sidecar TT 'A' race, to the Swiss sidecar competitor Ernst Trachsel on Quarterbridge Road, and the sidecar crew of Mac Hobson & Kenny Birch on nearby Bray Hill. For the 1979 TT races the practice of starting competitors in pairs was abandoned followed by the Manx Grand Prix in 2011 after the result of fatal crash at Alpine Cottage during the 2010 Junior Manx Grand Prix. Following a fatal accident to French newcomer Serge le Moal during the first practice session of the 2004 Isle of Man TT races, a Newcomers Speed Control Lap was introduced for the 2004 Manx Grand Prix followed by the 2005 TT races. A mandatory TT Mountain Course licence for Isle of Man TT and Manx Grand Prix competitors was introduced for 2006. During the winter of 2004/2005 road widening by the Isle of Man Department of Transport occurred at Windy Corner followed by Brandish Corner during the winter of 2005/2006, included a slightly banked section and a constant radius curve as a safety improvement for general road traffic. A serious accident occurred at the 26th Milestone during the 2007 Isle of Man TT Centenary races on lap 5 of the Senior race resulting in the deaths of a competitor and two visiting spectators. After a series of safety reviews, a number of general measures were introduced after 2007 for the Isle of Man TT races and the Manx Grand Prix and other events such as the Southern 100 motor-cycle races and the Rally Isle of Man. This included the introduction of restricted areas, safety fencing and the continued introduction of air-fencing to corners to the Isle of Man TT Mountain Course. Following the start of the 2013 Senior TT race, a competitor lost control on the steep descent of Bray Hill and the racing motor-cycle collided with a wall and spectator’s safety area near the junction of Bray Hill and Cronkbourne Road in the town of Douglas, injuring 11 spectators. During an evening practice session for the 2018 Isle of Man TT, a race competitor received serious injuries after colliding with a course inspection car near to Ballacrye Corner in Ballaugh parish when travelling in a group of race competitors in the reverse course direction. The incident occurred following a red-flag incident near Sky Hill (Churchtown)