Friend, you are in luck. US-287 starts in Port Arthur where you can turn-around at the bayfront and it will take you north all the way
into Yellowstone. The northern terminus is just a few miles short of the Canadian border. An impressive set of differences from the bayous of near-Louisiana to nearly Glacier National Park at the other. All on one road.
Parts of it have been subsumed by Interstate when up in Colorado and Wyoming yet it's been a daydream of mine to take that route all the way just to say I've done it (even when a bit of a pain through towns, but it's
a truck route in all instances so lights, clearances and signals plus lighting are good).
A boyhood in Dallas and parents from Colorado means that many miles of that road are at soul depth for me. I recommend it wholeheartedly. And, of course side trips (such as Estes Park) are easy to include.
U.S. Route 287 - Wikipedia, the free encyclopedia
Here's hoping one of the old roads (1939) also appeals to you!
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