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Gravel is the most economical and least expensive driveway material, costing between $1 and $3 per square foot. This is significantly cheaper than alternatives like asphalt or concrete. However, it's important to consider long-term costs, as gravel driveways require regular maintenance. You will likely need to add new gravel filling once or twice a year and regularly rake it to keep it level, which can add to the overall cost over time.

New asphalt goes through two stages: drying and curing. Drying typically takes 24 to 72 hours, after which the surface is solid enough for light use like walking or careful driving. While you may be able to park on it after 72 hours, the surface is still soft and should be treated gently. Full curing is a much longer process, taking anywhere from 30 days to a full year for the asphalt to reach maximum strength. During this extended curing period, the asphalt is susceptible to damage from heavy vehicles, sharp objects, and high temperatures. Factors like weather, the specific asphalt mix, and application thickness all influence drying and curing times. For the most accurate timeline and to ensure the longevity of your new asphalt, it is always best to consult with your installation contractor for their specific recommendations.

An asphalt driveway should be at least 3 inches thick over a compacted gravel base. Areas with poor drainage should have a thicker stone base. To install a new asphalt driveway over an existing driveway, the new asphalt should be at least 2 inches thick and the existing driveway should be in relatively good condition.

Whether it's worth it to install a heated driveway depends on how often you'll use it, your lifestyle, and your budget. If you live in a mild climate with little snowfall, then installing a built-in heated driveway system may not be worth it. If you live in a region that experiences mild snowfall, then a portable mat could work better. However, if you live in a region with heavy snowfall, it makes sense to invest in a built-in heated driveway.