This sign, code 670V20, clearly indicates a maximum speed limit of 20 miles per hour (32 km/h). As a regulatory speed sign, it sets a legal maximum speed that must not be exceeded. You'll often see these signs in areas where lower speeds are crucial for safety, such as near schools, residential streets, or in rural settings. Always adjust your speed before you reach the sign and remember that even within the limit, you must drive at a speed appropriate for the conditions, including weather, traffic, and road surface.
This sign dictates a strict maximum speed of 20 mph, crucial for navigating specific zones and ensuring road safety. Mastering its meaning is vital for your theory test revision and safe driving practice.
Speed signs shape both legal compliance and safe driving technique. The number or symbol on the sign must be understood before the vehicle reaches the point where the rule begins, and the driver still has to adapt to weather, traffic, visibility, road surface, and stopping distance. A strong theory response is to slow progressively, keep good spacing, and avoid treating the posted value as a target. It is listed in the catalogue as code 670V20.
"Maximum speed 20 mph (32 km/h)" controls or explains a speed requirement. It tells the driver when a speed limit, speed zone, minimum speed, reminder, or enforcement-related condition applies.
Get clear, practical answers to the most common questions about the 670V20 - Maximum speed 20 mph (32 km/h) road sign. Learn how the sign works, what rules it represents, and how it affects real driving situations. This FAQ strengthens your understanding and supports accurate decision making for the British driving theory exam in Great Britain.
The 670V20 road sign signifies that the maximum legal speed you can drive is 20 mph (32 km/h). You must not exceed this speed under any circumstances.
You are most likely to encounter the 20 mph maximum speed limit sign in areas where reduced speed is necessary for safety. This commonly includes residential zones, areas with high pedestrian activity, near schools, or on narrow, winding rural roads.
No, the sign indicates the *maximum* speed, not a minimum or target speed. You must still drive at a speed that is safe for the current conditions, which might be less than 20 mph due to traffic, weather, road surface, or visibility.
A common mistake is treating the posted speed limit as a target, accelerating up to it even if conditions don't allow. Learners might also forget to check for repeater signs or miss the sign indicating the end of the speed restriction zone. Crucially, always remember that the posted limit is the maximum, not necessarily the safest speed in adverse conditions.
Yes, the sign 670V20 indicates a mandatory speed limit that is in effect from the point the sign is displayed until a sign indicates otherwise (such as a national speed limit sign or the end of a speed restriction zone). Always be aware of your surroundings for any signs that might alter the speed limit.
A clear reference image of the 670V20 - Maximum speed 20 mph (32 km/h) road sign used in Great Britain.

The 670V20 - Maximum speed 20 mph (32 km/h) road sign may also be known by these alternative names or terms.
The 670V20 - Maximum speed 20 mph (32 km/h) road sign is part of the Great Britain Speed Limit Signs category, which groups together signs with similar rules and functions.
Mastering traffic sign comparison is key to theory test revision, helping you distinguish between similar signs like the 20 mph limit and other speed-related markers for better sign recognition. Studying these related road signs together reinforces your knowledge and reduces errors during your driving theory exam.

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The National Speed Limit Applies Sign (671) Explained

Understand the 30 mph Minimum Speed Limit Sign (Code 672)

You've reached the end of the 30 mph minimum speed limit.

Prepare for the 20 mph speed limit zone ahead with this essential traffic sign.
After reviewing the full list of road signs, challenge yourself with practice questions focused specifically on sign recognition. Reinforce your learning and ensure you're fully prepared to identify and understand all traffic signs on the DVSA theory test.
Browse All GB Road Signs List