It's not clear who invented the first restaurant drive-thru, but it's generally claimed that In-N-Out created the first modern system, complete with two-way speakers. Since then, drive-thrus have been ...

It's been 50 years since McDonald's introduced it's first drive-thru. The convenience that we know as a staple today was one that actually took the fast-food giant a while to put in motion. The first ...

McDonald's waited until the mid-1970s to give it a try, with the restaurant's first drive-thru location in Southern Arizona The U.S. Army played a surprising role in helping the plan come together ...