Question:
Does the asphalt need to be broken up and the ground re-compacted? Do people need to be more aware that sometimes you just have to stop or drive somewhere else?
Answers:
What things should i check in my car before taking a long trip?
You've seen how the highway department does it... that's how it's done. There are procedures for how to redirect traffic, how to protect the work area (so some idiot doesn't plow into the construction workers and kill a bunch of em) etc.What measures do railway cars use to avoid collision?
Ordinary citizens do not close or repair busy highways. The highway department does that. The only exception is if one is a utility company working on in-street utilities, or a railroad working on a crossing.
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