OPP prepare for weekend blitz

The OPP will be out in force his long weekend to enforce traffic laws. Sgt. Shelley Garr of the Thunder Bay OPP say they are trying to prevent serious accidents on the highway by going after the so called "big 4" causes of collisions;  aggressive driving, impaired driving, seat belts and distracted drivers.  Also police will be making sure drivers slow down when passing emergency vehicles on the shoulder of a road.