Los Angeles Transportation Center (LATC)

Los Angeles, CA


Tensar TriAx® geogrid was used to help Union Pacific Railroad meet the needs of their new intermodal facility.

  • Owner: Union Pacific Railroad
  • Engineer: TransSystems
Client's Challenge

Several project challenges caused the team to pursue alternative rail section designs:

  • Subgrade conditions ranged over a variety of subgrade strengths with contaminated soils
  • Over budget
  • Aggressive construction schedule
Tensar Solution

Tensar TriAx geogrid was placed on the subgrade, reducing the sub-ballast thickness from 12 inches to 6 inches. The Tensar design provided the following value:

  • Expedited construction
  • Reduced cost
  • Increased the factor of safety, enhancing life