My first truck driving job was driving for Schneider delivering to Walmarts in Oh,Mi,In,Ky and WV. 90% of the time the directions were accurate. They had location codes in the qualcom and you could simply pull them up....no need for a GPS.
My second driving job was driving to the same place every single day delivering auto parts......no need for a GPS.
I started driving tankers 3 months ago and my whole attitude towards GPS has changed. The places I have to go to are often on small country roads that are not on my map. I get accurate directions from my company about 60% of the time. I often end up having to call up the customer to get directions to their plant and I often get bad directions. It is no fun hauling 45,000 pounds of moving liquid and having to stop and turn around in 3-4 parking lots because you can't find the right street. That liquid slams into the front of the tank and can really ruin your day!
I was lost in the city of Orangeburg,SC one morning and was so pissed off I was about to scream!! After I finally found the place and made my delivery and went straight to a Pilot and bought a Garmin GPS!! The GPS makes my job a hell of a lot easier but you have to be carefull because they will sometimes attempt to send you down residental streets were it may be difficult to make a turn. The recalculating ability is real nice.
I USED to think GPS was a waste of money and were basically for people who could not read a map. It was easy to find Walmarts becuase they had a huge sign lit up that you could see from a mile a way. The chemical companys I now deliver to often have very small signs that are not lit up are often on small streets in the country and can be difficult to find at night. My GPS has made my job a hell of a lot easier