The Fullerton Road Grade Separation is a complex 5-stage project with 19 phases of construction. AECOM (legacy Shimmick Construction) is performing the project, which is scheduled for completion in 2020.

Located in the City of Industry and the Route 60 freeway, the project involves over 14,000 feet of railroad track construction, over 10,000 feet of retaining wall construction, three bridges structures (UPRR, roadway, and pedestrian) as well as extensive, deep (20-35 feet) sewer and storm drain construction with dewatering measures.