Escherichia coli (E. coli) is a bacteria that is commonly found in the lower intestine of warm-blooded organisms. Most E.coli strains are harmless, but some can cause serious food poisoning. Shiga toxin-producing E. coli (STEC) is a bacterium that can cause severe foodborne disease.
1 A stamped asphalt pattern (typically in the shape of bricks or stones) on a new or existing asphalt driveway can cost $3 -$9 a square foot, or $900 -$2,700 for 12'x25' or $3,600 -$11,000 for 24'x50' for just the stamping. A gravel driveway starts at roughly $0.75 -$3 or more a square foot, or $300 -$1,000 for a 12'x25' single-car driveway. 2  Costs can double for a roadway-quality driveway. 3  Loose gravel will need replenishing periodically, but a correctly designed, installed and maintained gravel driveway can last 50-100 years or more.
1 A plain concrete driveway can cost $3 -$10 or more a square foot, or $900 -$3,000 for 12'x25' or $2,900 -$9,600 for 24'x40', while a customized concrete driveway with multiple decorative elements can cost $15 -$25 or more a square foot, or $4,500 -$7,500 for 12'x25' or $14,400 -$24,000 for 24'x40'). Also called tar and chip or oil and stone, macadam driveway can cost $1 -$3 or more a square foot on an existing driveway, or $600 -$1,800 for 12'x50'; and $2 -$4 or more a square foot for a completely new driveway with gravel base, or $1,200 -$2,400 for 12'x50'.