Both the California HSR system and the privately funded DesertXPress from Victorville to Las Vegas will be traveling at or above 125mph in most locations. That means they are legally obliged to implement grade separation plus fencing to address illegal trespass.
This will be difficult in some built-up areas as replacing every single level crossing with an under- or overpass would be cost-prohibitive. Many will simply be closed, especially if there is already an existing structure nearby. In Silicon Valley, for example, this could affect the busy Castro Street crossing in Mountain View plus several crossing in Menlo Park and Atherton (aka NIMBY central).
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timeasmymeasure
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Date: 2008-04-20 04:34 pm (UTC)http://www.fra.dot.gov/us/content/217
http://www.fra.dot.gov/us/Content/338
This will be difficult in some built-up areas as replacing every single level crossing with an under- or overpass would be cost-prohibitive. Many will simply be closed, especially if there is already an existing structure nearby. In Silicon Valley, for example, this could affect the busy Castro Street crossing in Mountain View plus several crossing in Menlo Park and Atherton (aka NIMBY central).