Local police sitting in median at end of construction zone. Issuing ticket to motorist entering highway from S. bound ramp. No posted speed limit or sign to designate a construction zone. Officer issued ticket without informing me beforehand of the violation. Also as an out of state drive he confiscated my licsence until fine paid. Court date was set beyond the 30 days that the summons can be used as a licence. Impossible to wait and return to make court.