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Permanent Speed Restriction Signs

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Thornton North Junction
A permanent speed restriction sign with left-hand directional arrow, at Thornton North Junction. In accordance with Scottish Region practice, the arrow sign is placed below the speed board. The 40 m.p.h. speed restriction applies to trains entering the Up Passenger Loop. (Photo taken 9 December 2005)

Long Lawford
These warning indicators beside the Up Coventry line at Long Lawford advise drivers of a reduction in permissible speed on the approach to Rugby. The lower board indicates an 'enhanced permissible speed' of 75 m.p.h. for tilting trains in tilting mode, while the middle board shows that a permissible speed of equal value applies to multiple unit trains. The upper board is an ordinary warning indicator, showing a lower limit of 60 m.p.h. for all other trains. (Photo taken 15 August 2009)

Princes Risborough
A non-standard differential permanent speed restriction sign alongside the Down Main line at Princes Risborough. On the right, the lower board shows a maximum permissible speed of 65 m.p.h. for 'Sprinter' type trains, while the upper board indicates a lower limit of 40 m.p.h. for all other trains. On the left, the 15 m.p.h. board with the left-hand directional arrow applies to movements onto the Thame Branch Siding. (Photo taken 16 January 2008, by Jo Sharpe)

North Queensferry
A standard differential permanent speed restriction sign at the south end of North Queensferry station. In simplistic terms, this indicates a permissible speed of 50 m.p.h. for passenger trains and 20 m.p.h. for all other trains. (Photo taken 5 August 1994)

Marks Tey
A non-standard differential permanent speed restriction sign at Marks Tey. The train seen heading to Sudbury is formed of a diesel multiple unit, thus it may observe the higher speed of 30 m.p.h. Other types of train are restricted to a lower limit of 20 m.p.h. (Photo taken 16 May 2006)

Ashford International
Around Ashford International station, permissible speeds are presented in both imperial and metric units. The signs seen here are fixed to a signal structure at the west end of the station. Speed values displayed on a white background are in miles per hour (MPH) and those on a black background are in kilometres per hour (KMH). (Photo taken 17 May 2006)

A permanent speed restriction sign on the Down Main line at Carnforth, on the West Coast Main Line. The upper board indicates a permissible speed of 110 m.p.h. for conventional trains, while the lower board shows an 'enhanced permissible speed' of 125 m.p.h., applicable only to tilting trains in tilting mode. (Photo taken 22 February 2006, by Jeremy Reece)

St. Johns
New reflectorised 'cut-out' speed restriction signs were put on trial to allow their visibility to be compared with the standard circular speed signs. This example at St. Johns has yet to receive the attention of the graffiti vandals. (Photo taken 21 August 2009)