In this part of the country (the Midwest, including Ohio), salt is spread on the roadways thousands of tons a season.

The apartments are on a city lot, there is no option for more security from the roadway.

It is on a major roadway where there are residential and commercial properties on. 

Most of the times they just trim it.They typically cut trees if they are planning to construct something (Right of way for a roadway or a High-power elctric lines)I would recommend you to clarify why they want to cut trees and for sure contact an attorney

Hampton is also updating the road ways, lighting, walk ways, and utilities. 

All that aside, does anyone have a generic range for these components, for example say $x/ linear foot for a 20-ft wide, standard roadway with extruded curb & gutter, say doubling that if your grades are more than Y degrees, or tripling if more than Z degrees?

You can drive by and see it from a public roadway but that is one reason why they usually sell at some discount. 

I want to purchase four to five acres so that I can have a fifty to one hundred pad rv and camper park constructed along with land acquisition, electricity, water, sewer, common roadway , campers and etc .

They will review the plat to ensure it meets all local regulations.Address Utilities and Access Issues: Make sure that both new parcels have access to necessary utilities, roadways, and easements.

To me it is convenient in its own way and airports are usually still conveniently located within areas with quick and easy access to major roadways.