The Traffic Signs Regulations and General Directions 1994

Regulations 18, 19

SCHEDULE 17 ILLUMINATION OF SIGNS

(1)	(2)	(3)
Item	Diagram numbers	Method of Illumination
1.	501, 504.1, 505.1, 506.1, 507.1, 510, 512, 512.1, 512.2, 513, 516, 517, 520, 521, 522, 523.1, 524.1, 528, 529, 529.1, 530, 531.1, 532.2 (in respect of the triangle symbols), 532.3 (in respect of the triangle symbols), 543 (other than when used with 547.6), 544 (other than when used with 547.5), 544.1, 544.2, 545, 555, 601.1, 602, 606 (other than when used as described in item 6 or item 7), 609, 610 (other than when used as described in item 7), 611 (other than when used as described in item 7), 611.1, 612 (other than when used as described in item 6), 613 (other than when used as described in item 6), 614 (other than when used as described in item 6), 615, 616 (other than when used as described in item 7), 617 (other than when used with 618), 618.2, 618.3, 618.3A, 618.4, 619, 619.1, 619.2, 622.1A, 622.2, 622.4, 626.2, 629, 629.1, 629.2, 629.2A, 632, 642 (if the diameter is more than 450mm), 652, 669, 669.1, 770, 771, 772, 779, 782, 784, 790, 818, 818.1, 818.1A, 868, 868.1, 872, 873, 874, 875, 950 (other than when used with 950.1), 952, 953, 953.1, 2901, 2902, 2902.1, 2903, 2904, 2904.1, 2905, 2906, 2908, 2909, 2910, 2910.1, 2911, 2912, 2915, 2917, 2918, 2919, 2920, 2921, 2929, 2930, 2931, 5010, 5011, 7001, 7002, 7004, 7005, 7006, 7009, 7010, 7011, 7012, 7013, 7201, 7202, 7203, 7203.1, 7204, 7205,7206, 7207, 7210, 7211, 7212, 7213, 7214, 7215, 7216, 7217, 7218, 7220, 7221, 7230, 7231, 7232, 7233, 7234, 7235, 7236, 7237, 7238, 7239, 7240, 7250, 7251, 7252, 7253, 7254, 7255, 7260, 7261, 7262, 7263, 7264, 7265, 7266, 7270, 7271, 7272, 7273, 7274,7275, 7290	(1) Where the sign is erected on a road within 50 metres of any lamp lit by electricity which forms part of a system of street-lighting furnished by means of at least three such lamps placed not more than 183 metres apart, that sign shall be illuminated by a means of internal or external lighting either for so long as that system is illuminated, or throughout the hours of darkness, unless it is erected temporarily for any of the following reasons— (a) for the purpose of a temporary statutory provision; (b) by reason of some emergency; or (c) if that road is a road subject to a speed limit of 30 mph or under, by reason of the execution of works, or of any obstruction on the road. (2) Where any such sign is erected in such a manner that it is not required to be illuminated throughout the hours of darkness by a means of internal or external lighting, it shall be illuminated by the use of retroreflecting material in accordance with the provisions of regulation 19.
2.	2711	The sign shall be internally illuminated.
3.	955 (other than when used as described in item 7), 956, 957	(1) Where the sign is a terminal sign and is erected on a road within 50 metres of any lamp lit by electricity which forms part of a system of street-lighting furnished by means of at least three such lamps placed not more than 183 metres apart, that sign shall be illuminated by a system is illuminated, or throughout the hours of darkness. (2) Where the sign is erected in such a manner that it is not required to be illuminated throughout the hours of darkness by a means of internal or external lighting, it shall be illuminated by the use of retroreflecting material in accordance with the provisions of regulation 19.
4.	515, 515.1, 515.1A, 528.1, 548, 549, 550, 550.1, 551, 551.1, 551.2, 552, 553.1, 554, 554.1, 554.2, 556, 556.1, 557, 558, 558.1, 559, 562, 574, 581, 582, 583, 633, 642 (if the diameter is 450mm or less), 646, 647, 663, 663.1, 664, 665, 666, 774, 775, 777, 783, 785, 786, 787, 788, 789, 789.1, 789.2, 801, 811, 816, 817, 820, 821, 822, 823, 824, 825, 827.1, 827.2, 829.1, 829.2, 829.3, 829.4, 830, 830.1, 830.2, 830.3, 831, 831.1, 832, 832.1, 832.2, 832.3, 832.4, 832.5, 832.6, 832.7, 832.8, 832.9, 832.10, 877, 950 (when used with 950.1), 951, 958, 958.1, 959, 959.1, 960, 960.1, 962, 962.1, 962.2, 964, 969, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2030, 2030.1, 2031, 2032, 2033, 2034, 2101, 2101.1, 2101.2, 2102, 2103, 2104, 2105, 2106, 2107, 2108, 2109, 2110, 2111, 2112, 2113, 2113.1, 2114, 2115, 2115.1, 2116, 2117, 2118, 2119, 2120, 2121, 2122, 2123, 2124, 2125, 2126, 2127, 2128, 2129, 2130, 2131, 2132, 2133, 2134, 2135, 2136, 2137, 2138, 2301, 2302, 2303, 2304, 2305, 2306, 2307, 2308, 2309, 2310, 2311, 2312, 2312.1, 2313, 2314, 2315, 2315.1, 2501, 2502, 2503, 2504, 2505, 2506, 2507, 2508, 2509, 2702, 2703, 2704, 2705, 2706, 2707, 2708, 2709, 2710, 2713.1, 2716, 2803, 2804, 2805, 2806, 2913, 2914, 2916, 2922, 2923, 2924, 2925, 2926, 2927, 2928, 2932, 5012, 5013, 5014, 5015, 7003, 7014, 7015, 7019, 7020, 7104, 7105, 7301, 7302, 7303, 7304, 7305, 7306, 7307	The sign may be illuminated by a means of internal or external lighting but if not so illuminated throughout the hours of darkness, it shall be illuminated by the use of retroreflecting material in accordance with the provisions of regulation 19.
5.	543 (when used with 547.6), 544 (when used with 547.5), 557.1, 7023, 7024, 7401, 7402, 7403	The sign shall be illuminated by a means of internal or external lighting throughout the hours of darkness.
6.	606, 612, 613, 614	Where the sign is fixed to light signals prescribed by regulation 30, or by regulation 30 as varied by regulation 31, it shall be illuminated by a means of internal lighting at all times except when the light signals to which it is fixed are being maintained or repaired.
7.	606, 610, 611, 616, 955	Where the sign is mounted in a bollard fitted with a means of lighting it internally, the sign shall be illuminated throughout the hours of darkness by that means of internal lighting.
8.	502, 503, 511, 513.1, 513.2, 518, 519, 525, 526, 527, 530.1, 531.2, 543.1, 546, 547.1, 547.2, 547.3, 547.4, 547.5, 547.6, 547.7, 548.1, 553, 553.2, 554.3, 556.2, 557.2, 557.3, 557.4, 558.2, 563, 563.1, 570, 572, 573, 575, 583.1, 607, 608, 615.1, 618, 618.1, 620, 620.1, 627.1, 643, 644, 645, 773, 778, 778.1, 780, 780.1, 780.2, 804.1, 804.2, 804.3, 811.1, 817.2, 876, 950.1, 953.2, 954, 954.1, 954.2, 954.3, 954.4, 961, 7001.1, 7001.2, 7021, 7022, 7208, 7209, 7256, 7401.1	See regulation 20.
9.	530.2, 532.2 and 532.3 in respect of parts of the signs other than the triangle symbols, 617 when used with 618, 622.5, 622.6, 625.1, 636, 636.1, 637, 637.1, 637.2, 637.3, 638, 638.1, 639, 639.1A, 640, 640.1, 640.2A, 640.3, 640.4, 640.5, 642.2, 642.3, 650.1, 650.2, 651, 660, 660.3, 660.4, 660.5, 661, 661.1, 661.2, 661.3, 661.4, 662, 667, 667.1, 667.2, 668, 668.1, 668.2, 810, 814.1, 814.2, 814.3, 814.4, 816.1, 826, 826.1, 833, 834, 835, 836, 857, 857.1, 864, 865, 963, 963.1, 963.2, 963.3, 965, 966, 967, 968, 968.1, 970, 971, 972, 973, 973.1, 974, 975, 2201, 2202, 2203, 2204, 2205, 2206, 2207, 2208, 2209, 2210, 2211, 2212, 2213, 2214, 2215, 2216, 2316, 2317, 2318, 2319, 2320, 2321, 2322, 2323, 2401, 2402, 2403, 2601, 2602, 2603, 2604, 2605, 2606, 2607, 2608, 2609, 2610, 2610.1, 2610.2, 2701, 2712, 2713, 2801, 2802, 2807, 7007, 7008, 7016, 7017, 7018, 7404	The sign or plate may be left unlit, or be illuminated either by means of internal or external lighting or by the use of retroreflecting material.
10.	670, 671, 672, 673 (if the diameter is 600mm, 900mm or 1500mm)	(1) Where the sign is a terminal sign and is erected on a trunk or principal road within 50 metres of a street lamp lit by electricity, it shall throughout the hours of darkness— (a) be continuously illuminated by means of internal or external lighting and may also be illuminated by the use of retroreflecting material; or (b) while the street lamp is lit, be continuously illuminated by means of external lighting and shall also be illuminated by the use of retroreflecting material. (2) If any sign is required to be illuminated in the manner and at the times described in paragraph (1) above— (a) every sign shown in the same diagram as the first-mentioned sign which is erected at or near the same point on the road or the same junction for the same purpose as the first-mentioned sign shall be continuously illuminated throughout the same period by the same means of lighting as the first-mentioned sign; and (b) if any of the signs is illuminated by the use of retroreflecting material, every other such sign shall be similarly illuminated.
11.	670, 671, 672, 673, 674, 675	If the sign is not required by item 10 to be illuminated by lighting throughout the hours of darkness or throughout such hours while a street lamp is lit, it may be illuminated— (a) throughout the hours of darkness by means of internal or external lighting; or (b) throughout any period during the hours of darkness by the use of retroreflecting material; and if so illuminated paragraph (2) of item 10 shall apply as if the sign were a sign required by paragraph (1) of item 10 to be illuminated by lighting throughout the hours of darkness or throughout such hours while a street lamp is lit.
12.	1001, 1002.1, 1003, 1003.1, 1003.2, 1003.3, 1003.4, 1004, 1004.1, 1005, 1005.1, 1008, 1008.1, 1009, 1010, 1012.1, 1012.2, 1012.3, 1013.1, 1013.3, 1014, 1017, 1018.1, 1019, 1020.1, 1022, 1023, 1024, 1024.1, 1025, 1025.1, 1025.2, 1025.3, 1026, 1026.1, 1027.1, 1028.2, 1028.3, 1028.4, 1029, 1032, 1033, 1035, 1036.1, 1036.2, 1037.1, 1038, 1039, 1040, 1040.2, 1040.3, 1040.4, 1040.5, 1041, 1042, 1043, 1044, 1045, 1046, 1048, 1048.1, 1049, 1049.1, 1050, 1055, 1057, 1058, 1059, 1060, 1060.1, 1061, 1061.1, 1063	See regulation 28.
13.	560, 561	See regulation 21.
14.	776	The sign shall be illuminated by an intermittent red light flashing at a rate of not less than 54 nor more than 90 flashes per minute.
15.	515.2, 532.2, 605.2, 2714, 2715, 3014 (in respect of the backing board)	The parts of the sign coloured other than black or orange shall be illuminated by the use of retroreflecting material in accordance with the provisions of regulation 19. Any parts of the sign coloured orange may be so illuminated. The part of the sign in diagram 605.2 coloured yellow shall be fluorescent, except as provided in regulation 19(4).
16.	7101, 7102, 7103	See regulation 44.