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2024 laser survey
As with other heritage railways, the SVR operates normal services at a maximum speed of 25 mph under its Light Railway Order and Safety case. The SVR and Great Central Railway have permission to operate non-passenger carrying trains at higher speeds under certain controlled conditions.
In addition, several locomotives (such as LNER-designed Peppercorn Class A2 No. 60532 Blue Peter in 2024) have visited for running in and testing at normal linespeed. These visits are not included here.
==Class 175 'Coradia 1000' diesel multiple units 1999-2000==
==High speed testing between Bewdley and Kidderminster==
In more recent years high speed testing is restricted to the section [[Kidderminster Loop Line]] between [[Bewdley]] and [[Kidderminster]]. The railway's policy during high speed testing periods mandates there is no lineside access and restrictions are published in the Traffic Notices, on SVRLive and the SVROnline intranet. In 2024 Network Rail carried out a ‘curved laser’ survey of the loop line, in preparation for a submission to the Office of Road & Rail for a permanent derogation to facilitate 50mph testing, potentially opening up further sources of revenue from commercial contracts.<ref>[https://www.svrlive.com/blapr24 Branch Lines April 2024]</ref> Examples of high speed testing undertaken include the following (incomplete list):
*2012: Newly overhauled Metropolitan Railway E Class 0-4-4T No. 1 underwent running in trials between 28 and 30 November 2012 in preparation for the 150th Anniversary of the Metropolitan Railway in 2013. Test runs using three Mark 1 carriages were completed at 25mph, 30mph, 40mph and finally 50mph.<ref>[http://www.brc-stockbook.co.uk/met1.htm Buckinghamshire Railway Centre stockbook] (Retrieved 20 April 2018)</ref>
