"Speed limit signs must be in accordance with specific designs prescribed in law. Any sign which is not in accordance with the regulations and the applicable road traffic law would potentially ...

Research conducted in Grand Teton National Park suggests that evocative road signage could help prevent vehicle collisions ...

With the country’s new default speed limit came a presumption that all roads in in built-up areas were 20mph, unless indicated otherwise, and so signs and road marking were no longer needed.

A deepening mystery surrounds the appearance of a 50km/h speed limit ... about wider road safety issues in Freeburn Park to a council engineer he spotted that the 70km/h sign had been replaced.

People are getting very angry about speed limit signs which include a picture of a dragon, drawn by a child. The images, used outside Welsh schools show a dragon marking out a "20" logo.

The Daily Mail has run a story about the signs, saying families say they "make road safety worse rather than better". It quotes social media users as being "furious". "A new dragon-themed 20mph speed ...