Jesse, it could be this "slide repair" project mentioned here:
PROJECT DESCRIPTION(S) [102]
IM-ER 94-4(85)151 - Slope stabilization, drainage, and fencing on the Slide Repair-E of Miles City/MT11-1 project located in Custer County. The project is located at 2 sites along Interstate Route 94 at RP 151.8 to RP 152.0 and at RP 154.0 to RP 154.1.
STPP-ER 2-1(60)20 - Slope stabilization on the Slide Repair-20 miles E of Miles City/MT11-1 project located in Custer County. The project is located on State Primary Route 2/US12 at RP 20.1 to RP 20.2.
2. PROJECT DESIGNATION [102]
The project designations on the title sheets have been changed to reflect the addition of IM and STPP funds. Slide Repair-E of Miles City/MT11-1 is now IM-ER 94-4(85)151 and Slide Repair-20M E of Miles City/MT11-1 is now STPP-ER 2-1(60)0. The project designation will not be changed on the remaining plan sheets.
3. CONTRACT TIME [108] (REVISED 1-20-10)
The work begins on the effective date stated in the "Notice to Proceed" and is to be completed in 100 Working Days.
ftp://ftp.mdt.mt.gov/cont...OPOSAL.PDF