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Following an inspection in April 1972 in advance of the SVR re-opening this section of the line, Maj. Olver of the Railway Inspectorate recommended that the crossing should be fitted with gates capable of closing across the road and the line as appropriate. The gates and posts from the level crossing near [[Burlish Halt]] were retrieved for this purpose,<ref>SVR News 28</ref> although there is no record that they were ever installed.
From re-opening, a hand signalman was required to be present during operations. To remove the need for this, a successful application was made to the Department of Transport in 1979 for Northwood to be made an 'open' crossing.<ref>SVR News 52</ref> Equipment for this was duly installed, and the crossing was commissioned in on 5th July 1980.<Ref>SVR News 57</ref><ref>[http://www.svrsig.org.uk/svr/NX.htm Northwood Crossing on the SVR Signalling web site]</ref> The crossing has no gates or barriers, but is protected by flashing lights displayed to road traffic together with an audible warning (the only crossing on the SVR protected in this fashion). The warning lights are operated automatically by track circuits and treadles, with a white light displayed to the train to indicate that they are operating correctly. Modern-style warning boards consisting of a black cross on a white square background are positioned on the approach to the crossing in both directions.
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File:Crossing_Board_20150503.jpg | Warning board
