What is the fastest route from Springfield Illinois to Denver Colorado?

Answer 1

1. Take I-55 SOUTH to I-270 WEST to KANSAS CITY at EXIT 20B in Illinois outside of St. Louis.
2. Take I-270 WEST into Missouri where you will take EXIT 20B to get onto I-70 WEST to KANSAS CITY.
3. Take I-70 WEST across Missouri to I-70 ALT/670 WEST/35 SOUTH to TOPEKA and WICHITA.
4. Take I-670 WEST/70 ALT back to I-70 WEST in Kansas. Continue on I-70 WEST.
5. I-70 in Kansas is the Kansas Turnpike (toll) from Kansas City to Topeka. What you will do is you will exit off the turnpike at EXIT 183 onto the continuation of I-70 WEST to TOPEKA and SALINA.
6. Stay on I-70 WEST to Denver.