Quote:
Originally Posted by rob
In my current campaign, I picked a rural part of central Pennsylvania, mostly for simplicity on my part (having at least a general knowledge of the area helps). As most of the roads are asphalt with a concrete base, and having driven I-95 through all types of weather, I know asphalt is cheaper than concrete so various Transportation Departments use the asphalt to repair major roads. Using this as a premise, after 150 years, the concrete roads would be in far better shape than asphalt base road beds.
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I am not sure there will be much difference between concrete and asphalt roads after 150 years. With routine maintenance, a concrete road will last about 40-50 years. Asphalt roads last about 30 years with maintenance. Maintenance in these cases include sealing, grinding, etc. with a lot of equipment.
My gut feeling is that the roads that will last the longest in the 150 years after the bombs are tar and chip roads. The maintenance is just putting more tar and pea stone over the top and driving on it. The lifespan of such roads is about 40 years. But given that construction and maintenance of these kind of roads predates steam powered cars, these would be the ones that would most likely be maintained. In fact, I see this being used on the shoulders of Interstates by the survivor to use instead of the decaying and badly broken concrete.