The California Department of Transportation (Caltrans) is one of the largest state departments of transportation in the nation, managing more than 50,000 miles of California’s highways, or about ...

Keywords: Accelerated bridge construction (ABC). Precast concrete. Segmental bridges. Seismic design. Shaking table tests. Vertical loads. Two-dimensional (2D) models. Nonlinear dynamic analyses.

Although the practice of using a concrete barrier down the center of a roadway to separate opposing traffic dates back to the mid-1940s, the practice seems really to have gained steam when, in 1955, ...