Here's some pics from a few weeks ago, alongside Hwy 70, at a rest stop in Wright City, MO.
Time from Jeff City to House Springs (approx 165 miles), via Hwy 54 to I-70, I-70 to Hwy 40, Hwy 40 to I-270, and I-270 to Hwy 30, was approx 4 hours. Going via Hwy 50 would have been approx the same...