Since many structures in California are located on top of or close to a fault line, citizens might worry about what would happen to these structures during a major earthquake. Would the bridges, freeways, and other transportation infrastructures be able to withstand an earthquake? Well, many people would be happy to know that the California Department of Transportation has made great efforts and spent billions of dollars reinforcing bridges and interchanges. The old thought was that bridges just had to be hard and strong to be sturdy but a new idea has recently become the focus for the department. That is that bridges must not only have a high hardness value but also be flexible. Flexibility is important because it will allow the bridge to move during an earthquake without collapsing. The department is now determine to put this thought into action and has launched a campaign to do so.
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