On 2015-01-28 5:17 PM, Nancy Young wrote:

>
> We park our car at the end of the driveway, then shovel a path down
> the sidewalk path over to the car. If I can get to the car, I don't
> see any point to clearing the whole driveway. I also try to make
> a path across the grass on both sides for the mail carrier to go
> house to house.
>
Why? I once saw the post office doing a time and motion study. The mail
carrier was doing his regular route while someone with a stop watch was
timing him. Rather than walking along at a brisk rate and walking
across people's lawns, he was dawdling along and going up and down
driveways. If their routes are established based on those studies, just
clean the driveway and sidewalk.