Is the McDonald's restaurant off Dorsett Road the worst in the country when it comes to customer service? 

At least two Maryland Heights Patch readers seem to think so. 

On Tuesday, Donna H, a Maryland Heights Patch reader, left this review of the restaurant, located on 12680 Dorsett Rd.:

This McDonald's has absolutely the WORST service. The orders are wrong, and the employees don't care. I worked at McDonald's (Hwy 367) back in the early 70's. This terrible service and employee attitude would never have been tolerated. Over the years I have been to many McDonald’s and this one is by far at the bottom. Why can’t they get their act together? Management needs to be replaced and all the workers need to be re-trained.

Here at Patch, we thought it could have been an isolated incident. But then came another nasty review just hours later. 

Bob Burns, another faithful Maryland Heights Patch reader, said he' had similar experiences. 

I've had the same problems here. Been to McDonald's all over U.S. and El Salvador. Worst I've every been to.

Rarely do people identify the golden arches with impeccable customer service. Rather, most go to McDonald's—perhaps the most trafficked fast-food restaurant in the country—for a quick, affordable bite to eat.

What do you think about the McDonald's on Dorsett? Have you had a good or bad experience there? How does it compare to other McDonald's restaurants in and around the Maryland Heights-area?

In October, QSR Magazine unveiled its annual drive-thru study—a study that study determined the leading restaurant chains in several categories of drive-thru operations, such as wait time, service time, order accuracy, exterior appearance and speaker clarity. A group of six core chains were included in the study: Burger King, Chick-fil-A, Krystal, McDonald’s, Taco Bell, and Wendy’s.

Wendy's was found to have the best average service time, with an average time of 129.75 seconds. That's more than a minute better, on average, than Burger King, and about 20 seconds better than the next best rated restaurant, Taco Bell (149.69 seconds).

When it came to accuracy, Chick-fil-A leads the pack with a 92.4 percent accuracy rate. Burger King, again, came in trailing the field—its accuracy rate was 83 percent, the worst of all the restaurants rated.