Party may be over for witty messages on Interstate safety boards in Nebraska

LINCOLN — The party may be over for clever and humorous safety tips on message boards installed over Nebraska freeways.

The Federal Highway Administration, in a recent update of a manual on traffic control devices, recommended that states steer clear of messages with humor, double meanings and references to pop culture.

That may spell the end of advisories like “Don’t be a clown, put the phone down”…