With marijuana now legal in Massachusetts, federal, and state officials are launching a new campaign to remind users that driving while high remains illegal.

With marijuana now legal in Massachusetts, federal, and state officials are launching a new campaign to remind users that driving while high remains illegal.

With a motto of "Drive high? The crash is on you," the campaign will feature billboards, radio, and TV ads targeted at drivers between the ages of 18 and 49, but is particularly aimed at younger people, officials from Massachusetts and federal transportation and safety agencies said Tuesday.

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