Officials say reducing speeds can shorten stopping distances, improve reaction time, and significantly increase survivability for people walking, biking, rolling and driving.

Idiom a rolling stone (gathers no moss) (Definition of rolling from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

to spread out, level, smooth, compact, or the like, as with a rolling pin, roller, the hands, etc.: to roll dough; to roll a tennis court. Metallurgy to form (metal) in a rolling mill.

The Academy Award-winning actress and director tells Rolling Stone about the last-minute call she received from the rapper asking her to join what proved to be a career-best performance

rolling, adj. & adv. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Rolling hills are small hills with gentle slopes that extend a long way into the distance. ...the rolling countryside of southwestern France. Collins COBUILD Advanced Learner’s Dictionary. Copyright © …

Slang To experience periodic rushes after taking an intoxicating drug, especially MDMA.