The Two Time Periods supplementary plate (R502) is a selective restriction message sign used with a primary regulatory sign to show that a rule applies only during specific times. It must always be used in combination with a matching primary regulatory road sign.
Purpose and function
This plate clarifies when a restriction or permission applies, improving compliance and reducing disputes. It should match the primary sign’s instruction and be formatted so the time periods are unambiguous.
Typical applications
- Parking restrictions that apply only during peak hours
- Loading zone time windows for deliveries
- School zone or event-based restrictions with defined operating hours
Commonly used with
Permanent and temporary options
This sign is also available as a temporary version, see R502 and enquire if you require TR502 for temporary applications.
Materials and ordering notes
- Permanent road sign supplied on 1.2 mm Chromadek steel
- Class 1 retro reflective sign face
- Contact us for a quote on different sizes
- Poles, clamps, nuts and bolts are not included, email us if you require a quote
- Please confirm stock availability when ordering road signs
- Remember to order the correct size clamps for the poles you will be using if ordering unistruts on your road signs
Selection and placement guidance
- Install directly below the primary regulatory sign it qualifies
- Ensure the time periods are readable from the normal approach distance and speed
- Keep formatting consistent across the site for easier enforcement and user understanding
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