Warren Buffett just placed a big bet on a $20 billion chain that truckers are obsessed with - here's what it's like to visit

Billionaire investor Warren Buffett is betting big on a chain of truck stops. 

On Tuesday, Buffett's Berkshire Hathaway announced it had agreed to acquire 38.6% of Pilot Travel Centers, the owner of the Pilot Flying J truck stop chain. By 2023, Berkshire will become the majority shareholder. 

Pilot Flying J is the largest operator of travel centers in North America, making more than $20 billion in annual revenue. 

Here's a closer look at what exactly sets the chain of truck stops apart from the competition, and has made it a trucker staple across the US.