I-15 Corridor Expansion (CORE) Design-Build

Details

  • LocationSalt Lake City, UT
  • ClientUtah Department of Transportation
  • Category Design-Build

Description

This $1.1 billion project reconstructed 25 miles of I-15 south of Salt Lake City, added two general purpose lanes in each direction, extended express lanes 14.9 miles in each direction, rebuilt and reconfigured 10 freeway interchanges, and replaced 55 bridges. Alliant was responsible for overseeing all aspects of MOT design and implementation.

Services

  • Maintenance of Traffic Design
  • Construction Staging
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