# The Level Crossing (Castlerock) Order (Northern Ireland) 2016, Paragraph 17


If the barriers do not achieve the fully raised position within 10 seconds of starting to raise, then the barriers stop in their present positions. The red RTL’s shall re-illuminate and a failed indication and alarm is given at the supervising control centre. A further 2 seconds may be added if required to allow for relay operation.

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Source: https://www.legislation.gov.uk/nisr/2016/403/schedule/2/paragraph/17 (the official version)
Page: https://openlegislation.uk/level-crossing-castlerock-order-northern-ireland-2016/schedule-2/paragraph-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.