"Erratic driving" refers to driving in a way that is unpredictable, irregular, and inconsistent. It may involve sudden changes in speed, aggressive maneuvers, or other unsafe behaviors on the road. Full definition
There is no evidence of erratic driving and no evidence of actual danger to other drivers or road users. (slaw.ca)
The client was stopped by police after parking his vehicle in the driveway of his home, following a civilian complaint about erratic driving. (vancouvercriminallaw.com)
Client became involved in a heated confrontation with police officer after being stopped when motorists reported very erratic driving. (criminal-defence-lawyer.com)