Question: A new two lane collector is to be designed which lies in a rural mountainous area, with moderate traffic volume. The DHV was found to

A new two lane collector is to be designed which lies in a rural mountainous area, with moderate traffic volume. The DHV was found to be 250 vph with 10% trucks.
a) Determine:
The max. design speed recommended for use
The max. grade
The Min. length of vertical crest curve if no passing is allowed, and in case passing was allowed
The max. Superelevation to be used
b) Do you recommend the use of a creeper lane for the max. grade found above? Why, if needed, design it?
c) What do recommend for the right of way?
d) Draw the recommended road cross section showing all needed elements with dimensions.
A new two lane collector is to be designed which

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