For more than 20 years, CALTROP has helped to build infrastructure projects that get people where they are going by land, air or rail - bridges, highways, roads, airports and rail transit - by offering high quality services in program / project management, construction management, inspection, specialty inspection, risk management and public relations. Now, we are also helping people to communicate through our telecommunications division, which offers full design and construction services to the industry, and energize the world with our energy services division. 




City of Fontana Capital Improvement Program

The City of Fontana's Capital Improvement Program includes infrastructure projects including sewer, storm drain and street widening. Projects within this Capital Improvement Program include: San Sevaine to Citrus Avenue, Citrus Avenue to Mango, Sierra Avenue to South Highland Avenue, Walnut (Citrus Avenue to Sierra Avenue), Walnut (Citrus Avenue to Sierra Avenue), Jurupa Avenue (Etiwanda to Tamarind), Sierra Avenue (210 Freeway to Summit Avenue) and Foothill Boulevard (East Avenue to Cherry Avenue).



West County Connectors Project

After four-years of construction, the West County Connectors (WCC) Project is nearing completion. During the week of December 7th, the project team marked a major milestone with the opening of the I-405 / I-605 and SR-22 / I-405 carpool connectors. Drivers will now be able to travel in the carpool lanes from the Garden Grove Freeway (SR-22) to the San Diego Freeway (I-405) to the San Gabriel Freeway (I-605), and the reverse, without ever having to exit the carpool lanes. The WCC Project is aimed at easing congestion and enhancing safety along the most heavily travel