Originally Posted by HONDAMAN174
No. Have made that trip several times. 15 to the 20, 20 to 89, 89 to I believe the 12. Beautiful drive on the 20 and 89- at least for me.
The choices from I-15 to US-89 are as follows.
UT-20 between I-15 and US-89 has 8% grades in both directions with 45 MPH curves.
UT-14 has 8% grades and 25 and 35 MPH curves.
UT-9 has grades up to 6%. The Mount Carmel Tunne
l has length and height restrictions.
UT-153 has grades of 4-9% and is unpaved from Elk Meadows to US-89.
I-70 between I-15 and US-89 has grades up to 6%.