Northern line SER codes

dave1 Line Controller Posts: 447	Northern line SER codes Mar 28, 2013 9:43:18 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by dave1 on Mar 28, 2013 9:43:18 GMT Now that the old signalling has started to be replaced just wondering if anyone has a full list of what the new codes will be. High Barnet went from NU to HBT (photo in UN)
	Yes I know another question.

dave1 Line Controller Posts: 447	Northern line SER codes Mar 28, 2013 13:47:12 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by dave1 on Mar 28, 2013 13:47:12 GMT Now on Flickr.
	Last Edit: Mar 28, 2013 13:49:20 GMT by dave1 Yes I know another question.