Crazy Driver

A highway patrolman noticed a car crawling along at a very slow speed and decide he'd better speak to the driver. He pulled the car over and discovered four elderly ladies in it. He kindly told the driver she should try to drive the speed limit

"I always drive the speed limit," she answered. "See that sign? It says 20 and that's what I was driving!"

He grinned and explained that was the highway route number, not the speed limit. At that point, he noticed the other ladies were sitting stiffly, had glazed eyes, and were chalk-white "Is there something wrong with your friends?" he asked, rather concerned.

"Oh, they'll be all right in a little while," she replied. "I just turned off Highway 110."