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Table 5.1 Signs that warn of hazards and signs for bridges and other structures
| Column 5 - Cross refers to supplementary plates in Part 3. See below. | |
| Column 6 - Cross refers to sign specific provisions. See Part 7. | |
| Column 7 - Cross refers to sign specific directions. See Schedule 2 General Directions. | |
| Part 3 | Related supplementary associated plates for signs in Part 2. |
| Part 4 & 5 | Signs, sub-plates and markings for bridges and other structures. |
| Part 6 | Illustrates other warning signs - again, referring to the sign specific provisions and directions. |
| Part 7 | All provisions specific to permanent warning signs. |
| Part 8 Schedule 2 General Directions |
All sign specific directions for permanent warning signs.
Specific provision is made for the placing of 'edge of carriageway' signs. |
Changes in TSRGD 2016
5.4
Until now, the size of warning triangles and associated sub-plate legends have been individually specified. This has been dispensed with and TSRGD 2016 prescribes the full size range for all warning signs. The appropriate sign size and sub plate x-heights for use in specific situations are set out in Chapter 4 of the Traffic Signs Manual.
5.5
TSRGD 2016 withdraws the sign to diagram 530 in TSRGD 2002 which showed the dimensions in imperial units of measurement only. All new and replacement signs must now be to diagram 530A. This combined warning sign for low bridges or structures showing dimensions in both imperial and metric units of measurement was prescribed in 2011.
5.6
A lifetime saving has been applied to existing warning signs and sub-plates displaying imperial only units of measurement, and there is no requirement on local authorities to replace or remove such signs until such time as they reach the end of their life.
5.7
The permitted variant (TSRGD 2002 Schedule 16 Item 17) allowing the route arm thickness to be varied to represent priority through a junction has been removed. Instead, each variant is now illustrated.
5.8
All signs relating to low bridges and structures for which a traffic regulation order is not required are brought together in Parts 4 and 5 – i.e. on a road which passes under a bridge, tunnel or other structure, or on or under any such bridge or structure.
5.9
Schedule 2 now prescribes only permanent warning signs. Those for use only in temporary situations are prescribed in Schedule 13.
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