Amarillo, TX RV Park

All the previous posts have good suggestions, but I will add another. When we are headed to Colorado, we turn off I 40 to the north bypass 335. At that intersection we have stayed several times at the "Overnight RV Park."

It is an older park and shows signs of its age, but it is convenient and right on our route. I hope it hasn't gone down even further, but our stay there in the past has been pleasant.

Years ago, maybe 5 or so, we stayed at the A-OK camper park just off 40 exit 80 (?). We were forced to get off the road because of high winds. I took the first park I saw. This at the time was a put you money in the envelope in the envelope and slide it through the slot in the door....12 dollars at the time with Passport America discount. Hardly anyone there but the outer edge had permanent residents. We had to stay 2 days because the wind was 40 mph sustained with 55 gusts and I was being blown all over the road so safer to just stay put. It served its purpose but by far is no resort. Never felt unsafe though and it was hardly any activity of any kind. Wide open sites in a row is all it is. Hard to say if anything has changed.

When we travel thru Amarillo heading west we do the bypass around it and stay at the KOA

The Oasis RV park is also very nice.
Don't forget the free limo rides to the Big Texan Steak House from all the RV parks and hotels.
They pick you up and take you back. Older Limos but big horns on all of the hoods.
There is also a nice RV museum in the area.
https://www.rvmuseum.net/

On our many trips back and forth to Colorado we always overnighted at Ft Amarillo RV park on the west edge of town just off I-40. Quick access to restaurants, fuel, and shopping if you need any of that.