Maydown Tactical Support Group officers have been conducting road safety operations across Derry City and Strabane District.
The results of which included a driver speeding almost 30 miles per hour over the legal limit and the seizure of suspected drugs.
On Thursday last the officer on patrol recovered suspected Class B drugs from a vehicle in the Waterside area.
The vehicle was seized and a teenager was arrested, and charged with offences.
The following day a driver was detected travelling at 79mph in a 50mph zone.
PSNI are urging the public to adhere to the ‘Fatal Five’: Don’t drink or drug drive, slow down, drive carefully, wear a seatbelt and don’t use your phone while driving.
They added that it’s a shared responsibility of all road users to keep themselves and each other safe.