1989 Loma Prieta earthquake larger loss of life, as several of the Bay Area's major transportation structures suffered catastrophic failures. The collapse of a section of the double-deck Nimitz Freeway in Oakland was the site of the largest number of casualties for the event, but the collapse of man-made structures and other related accidents contributed to casualties occurring in San Francisco, Los Altos, and Santa Cruz. The history of earthquake investigations in California has been largely focused on the San Andreas Fault System, due to its strong influence in the state as the boundary between the Pacific Plate and the North American Plate; it
Highway 17 Express as well as Santa Cruz Metro buses is available for $14.00. The VTA EcoPass Express is good for travel on the Highway 17 Express service. Support for purchasing tickets using the Clipper card is not currently supported. Most buses are equipped with bike racks capable of holding three bicycles. Currently, up to two bicycles are allowed inside the bus in the area used to secure disabled passengers contained within mobility devices, at the coach operator's discretion, if space is available. A temporary commuter express bus service started after landslides from the 1989 Loma Prieta earthquake closed Highway 17. At this