# The Traffic Signs Regulations and General Directions 2002, Regulation 21: Plates to be placed only in combination with specified signs

Extent: E+W+S

(1) A plate shown in a diagram whose number appears and is in the form (if any) specified in an item in column (2) of the Table may be placed on a road only in combination with a sign shown in a diagram whose number appears and is placed in the circumstances (if any) specified in column (3) of that item.
Table
(1)
(2)
(3)
Item
Plate diagram number
Sign diagram number
1.
502
501
2.
503
501
3.
511
504.1, 505.1, 506.1, 507.1, 510, 512, 512.1, 512.2, 513, 516, 517, 520, 523.1, 524.1, 528 or 556
4.
511 when varied to “HEAVY PLANT CROSSING”
504.1, 505.1, 506.1, 507.1, 512.1 or 512.2
5.
513.1
510, 512, 512.1, 512.2 or 513
6.
513.2
512, 512.1, 512.2, 513 or 7009
7.
518
516, 517 or 520
8.
519
516 or 517
9.
525
523.1 or 524.1
10.
526
512, 512.1, 512.2, 513, 523.1, 524.1 or 554.1
11.
527
523.1 or 524.1
12.
530.1
530 or 530A
13.
530.2
530, 530A, 629.2 or 629.2A
14.
531.2
531.1
15.
543.1
543, 3000, 3000.7, 3000.8, 3000.9 or 3000.10
16.
546
545
17.
547.1
545
18.
547.2
545
19.
547.3
544.1 or 545
20.
547.4
544.2
21.
547.7
545
22.
547.8
543 or 544
23.
548.1
548 when placed in advance of the sign shown in diagram 4005
24.
553
552
25.
553.2
553.1
26.
554.3
554.2, 622.1A, 622.4, 629, 629A, 629.1 or 632
27.
556.2
556.1
28.
557.2
557.1
29.
557.3
557.1
30.
557.4
557.1
31.
558.2
558
32.
563
562
33.
563 when varied to “Road liable to flooding”
554 or 562
34.
563.1
562
35.
570
513, 521, 523.1, 524.1, 548, 549, 550, 550.1, 550.2, 551, 551.1, 551.2, 554 (when varied to “Gates”), 555.1, 556, 557, 558, 558.1, 559, 581, 582, 614, 632, 642, 7001 or 7009
36.
572
504.1, 505.1, 506.1, 507.1, 508.1, 509.1, 510, 516, 517, 520, 521, 522, 523.1, 524.1, 528, 529, 529.1, 530, 530A, 531.1, 543, 544, 544.1, 544.2, 550.1, 552, 554, 555, 770, 771, 772, 782, 950, 7001 or 7009
37.
573
523.1, 524.1, 528, 529, 529.1, 530, 530A, 531.1, 543, 544, 544.1, 544.2, 550.1, 552, 554, 555, 770, 771, 772, 782, 950, 7001 or 7009
38.
575
512, 512.1, 512.2, 513, 516, 517, 528 or 529.1
39.
583.1
583
40.
584.1
584
41.
607
606 or 609
42.
608
501, 601.1, 602, 606, 609 or 610
43.
615.1
615
44.
618
617
45.
618.1
617
46.
620
619, 619.1, 619.2, 622.1A, 622.5, 622.6, 622.7, 622.8, 629, 629A, 629.1 or 952
47.
620.1
619 or 619.1
48.
622.9
622.8
49.
627.1
626.2A
50.
645
614, 615, 632, 642, 811 or 7001
51.
773
529, 529.1, 558, 770, 771 or 772
52.
778
602
53.
778.1
602
54.
780A
779
55.
780.1A
779
56.
780.2A
779
57.
804.1
801
58.
804.2
801
59.
804.3
801
60.
804.4
801
61.
811.1
811
62.
817.2
523.1 and either 525 or 526, or 554.1 and 526
63.
876
868, 868.1, 872.1, 873, 874 or 875
64.
950.1
950
65.
953.2
953 or 953.1
66.
954
606, 609, 612, 613, 616, 629, 629A or 629.1
67.
954.2
606, 609, 612, 613, 616, 629, 629A, 629.1 or 952
68.
954.3
606, 609, 612 or 613
69.
954.4
606, 609, 612, 613 or 816
70.
954.5
606, 612, 613
71.
954.6
606, 612, 613
72.
954.7
606, 612, 613
73.
961
958, 958A, 958.1, 959, 959A or 959.1
74.
2602.3
955, 956 or 957
75.
7001.1
7001
76.
7001.2
7001
76A.
7009.1
7009
77.
7021
7001
78.
7022
562
79.
7030
543
80.
7208
7202, 7206 or 7207
81.
7209
7203, 7203.1, 7204 or 7205
82.
7256
7250, 7251, 7252, 7253, 7254 or 7255
(2) A plate shown in diagram 954.3 or 954.4 or the sign shown in diagram 954.6 or 954.7 shall not be placed in combination with the sign shown in diagram 616.

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Source: https://www.legislation.gov.uk/uksi/2002/3113/part/II/regulation/21 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2002/part-II/regulation-21
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.