# The Level Crossing (Castlerock) Order (Northern Ireland) 2016, Paragraph 8


Three electric lamps, or equivalent (light emitting diodes) each of not less than 5 watts nominal rating or equivalent and with lenses of not less than 50mm diameter, shall be fitted to each barrier, one within 150mm of its tip and the other 2 equally spaced. When illuminated, the lamps shall show a red light in each direction along the carriageway.

---
Source: https://www.legislation.gov.uk/nisr/2016/403/schedule/1/paragraph/8 (the official version)
Page: https://openlegislation.uk/level-crossing-castlerock-order-northern-ireland-2016/schedule-1/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.