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2024 laser survey
==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>
