The study named Boston, New York, and Norfolk, Va., as the three most vulnerable metropolitan areas. Another study found that just a 1.5-foot rise in sea level would expose about $6 trillion worth of property to coastal flooding in the Baltimore, Boston, New York, Philadelphia and Providence, R.I., areas.
A basic asphalt driveway costs about $2 to $5 per square foot, according to CostHelper.com. That amounts to $720 to $1,800 for a basic standard-size residential, two-car asphalt driveway measuring 18 feet wide and 20 feet long. A stamped asphalt pattern, such as in the shape of bricks or stones, costs $3 to $9 per square foot, or $1,080 to $3,240 for a standard-size driveway. By comparison, the cost for a plain concrete driveway runs $3 to $10 per square foot, according to Costhelper, or $1,080 to $3,600 for a standard-size, two-car driveway. Customized concrete driveways with decorative elements can run $15 to $25 per square foot, or $5,400 to $9,000 total for the driveway.
Asphalt driveways vary significantly in price. The best way to approach cost is to determine the amount of square feet you will need paved. Typically, asphalt driveways can cost anywhere from $3.00 - $6.00 vs concrete driveway which cost anywhere from $6.00 - $12.00 pending the amount of area you need paved.There are several aspects that need to be accounted for which will raise or lower the price.riveway sealing cost anywhere from .15 to .40 per square foot. There are many factors to consider when determining the asphalt sealing cost of your driveway. Driveways are suppose to be sealed many times throughout the life of the pavement. If a driveway is neglected for years, the cost will rise.