18-02-2010, 09:40 PM
Not sure if this has been mentioned in the past ...I'm sure it has but if you need to see some BR/Railtrack/NR standards even though they have been superseded it may give you some invaluable info go here
http://www.rgsonline.co.uk/Railway_Group...ments.aspx
then click on Control Command and Signalling
you will then have a choice of six sections when you choose one of those sections within that section you will see a lime green bar across the page at the right hand of the page you will see
'View: Live Documents' click the down arrow and choose 'All documents' there is a wealth of info here
http://www.rgsonline.co.uk/Railway_Group...ments.aspx
then click on Control Command and Signalling
you will then have a choice of six sections when you choose one of those sections within that section you will see a lime green bar across the page at the right hand of the page you will see
'View: Live Documents' click the down arrow and choose 'All documents' there is a wealth of info here