You make some good arguments but I’m guessing that is due to experience with road design. In recent years here we seem to have a big problem with semi’s running into over passes while I’m not sure is in charge of all that I think the bridge being too low or your car being too tall depending on how you look at it would be an example where the appropriate speed is 0
That is someone fucking up along the chain.
https://safety.fhwa.dot.gov/geometric/pubs/mitigationstrategies/chapter3/3_verticalclearance.cfm
Yeah many of our overpasses are not even 14ft which it looks like is the minimum in that link you sent me many are 13 9 and it causes some issues. Closed freeways sometimes.
Those standards are for the Interstate, but urban areas should try to carry those same standards, make it known if they do not, and should have at least one path into their system that does maintain those standards.
The purpose of our federal highway program is military in nature.
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