Canyon to Tower, Phase III

Project Type



National Parks


Yellowstone National Park

Owner: National Park Service
General Contractor: HK Contractors, Inc.
Start Date: April 2020
Completion Date: September 2021
Subcontractors and Key Contractors: Guinett Masonry, Poteet Construction, B. Jackson, Valley Fence

Materials Used on Project and Quantities:

  • Excavation- 76,000 M3
  • Sub Excavation – 5,000 M3
  • Unclassified Borrow – 12,000 M3
  • Select Borrow 5,000 M3
  • Aggregate – 12,000 tons
  • 401 HMA – 20,000 tons
  • 403 HMA – 6,000 tons
  • Recycled Asphalt (RAP) – 99,000 M2

Project Description: Canyon to Tower Phase 3 construction project consisted of reconstruction of 6.1 miles of the mainline including sub-excavations, rock embankments, and rockery walls, reconstruction of the Mae West curve, Buffalo Paddock picnic area improvement, Tower Falls Store parking area reconstruction, and expansion, reconditioning of Chittenden Road and Mount Washburn parking lot reconstruction.

It has been a pleasure to be over and complete all 3 phases of this project starting back in 2004. With the help from Yellowstone national park service and FHWA allowing a closure to accommodate this work it was completed safely and on time.

Mike Laker - Project Superintendent

HK Contractors, Inc.