Good advice from 2Gypsies, except:
You can go through hectic Dallas via 635North or we prefer to pick up US69 at Tyler, TX (which adds only 7 miles) and get on 380W at Greenville, TX.
Stop around Denton, TX
Continue on 380 to Decatur, TX
380 W from McKinney on to Decatur has become more and more congested with more and more traffic signals. We have learned to alter our route to avoid this stretch.
Continue on US 69 to Sherman, TX and join US 82 W to junction with US 287 on to Amarillo.
Try it. You will like it.
From where we live in East Texas, we go up US 271 to Paris, TX to join US 82 W. It is a pleasant drive.
