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Background A Blanket Speed Restriction (BSR) can be imposed to restrict speeds over a wide area. This is typically due to a forecast of bad weather. Our implementation consists of two parts; Blanket Speed Notice – a Route may impose a single Notice to Ope...

Please contact us via help@nrsdb.uk to register to use our webhooks feature. You will need to create a publicly available web address (URL) that can receive the data. We currently support the following events; Impose ESR Amend ESR Withdraw ESR As you...

When you register for webhooks we will assign a "secret". This should be kept securely (do not commit to source control). We will create a signature using this secret and a timestamp each time we send you a webhook. You should use the secret to validate this ...

Some are more obvious that others :-) GF = Ground Frame (manual points) HABD = Hot Axle Box Detector LC = Level Crossing (optionally with suffix):        AHB = Automatic Half Barrier        AHBC-X = AHB with reverse direction capability        ABCL = Auto...

Chris Scharf <Chris.SCHARF@networkrail.co.uk> has compiled this excellent introduction to Speed Restrictions - Emergency and temporary speed restriction over view.pdf

For external use we offer an API that requires each request to be sent with a "signature" created using the request content and a timestamp. This makes each signature useful for a short time only and prevents possible replay attacks. Signed API V2 Base URL: ...