driving rule
nounUK /ˈdraɪ.vɪŋ ruːl/
US /ˈdraɪ.vɪŋ ruːl/
A driving rule is a rule that tells people how to drive safely on the road.
Always wearing a seatbelt is an important driving rule.
OTHER MEANINGS
2. A basic principle that guides how something is done.
Patience is the driving rule behind his success.
3. A rule followed by a group or game to keep things fair.
In this game, taking turns is the driving rule.
4. A rule that controls how a machine or vehicle is operated.
The driving rule for the robot says it must stop at red lights.