Management told us that GPS tightened up our standards. I went from .25 under or scratch to an unbelievable 1 to 2 hours over! Not alone in this, as other drivers are in the same situation. Management then sent Union Safety Committee members to spy on drivers like me. (Steward told newbie, don't know better, safety kid drivers that they were walking a very thin line) Then received a ride along, and was told not driving fast enough on narrow, windy, hilly, gravel roads, was not using package selection area correctly, and that the over allowed was my fault! Same supervisor did the safety ride months before, and went on and on about the great job I was doing! The messages on the Diad are inflammatory and harassing-especially about being done because we are all on the 9.5 list. I have always had a good disposition, but I absolutely dread going to work. My question: Is the above situation happening all over, or is it just happening at our small center?