The speed limit in built-up areas where there are no speed limit signs is generally 30 mph (48 km/h) in many countries, such as the United Kingdom. This applies especially where there are street lights or features indicating a built-up area. In some places, it might be 50 km/h (about 31 mph), which is also a common default in built-up areas globally. In summary:
- In built-up areas, the default speed limit without signs is typically 30 mph (48 km/h) or 50 km/h depending on the country.
- Indicators of built-up areas include street lights, roadside parking, and dense development.
- If no signs are posted, slowing to the built-up area default speed limit is required for safety and legal compliance.
This is a standard rule aimed at protecting pedestrians and road users in densely populated areas.