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This creates a risk for your driveway to fail after asphalt curing because it doesn't have a lasting bond with the surface. In order to get asphalt to perform as intended, it's necessary to prepare the dirt surface correctly first. The loose soil base under the new driveway must be compacted until it is stable enough to support the weight of the asphalt.

If your driveway is cracked, you can repave it with a process called asphalt overlay. Overlay is more cost-effective than a full replacement but is better suited for minor cracks and issues. If you have major cracks or other problems like water pooling, asphalt overlay isn’t your best bet. Plus, paving over a cracked driveway only extends the lifetime by about 10 years, whereas replacing it would start the clock over completely to give you up to 30 years.

Gravel is one of the few driveway materials that can handle rain the second it’s installed. Unlike asphalt, which needs days to set, or concrete, which requires weeks to cure, gravel is ready as soon as it’s compacted. It’s naturally permeable, allowing water to drain straight through—with no risk of pooling or surface damage. Gravel driveways are one of the most affordable, at $1 to $3 per square foot, and can also last upward of 100 years.

Instead of a set number of types, asphalt comes in variations designed for different needs. Some are categorized by temperature—hot mix, warm mix, and cold mix. Others are sorted by composition, like dense-graded, gap-graded (such as Stone Matrix Asphalt), porous, and mastic asphalt. There are also modified versions with added compounds like polymers, rubber, or emulsions. Instead of focusing on a number, it may be more useful to understand how contractors customize asphalt for durability, climate, and traffic conditions.