alt Hacker NewsChip and Seal is a technique used in a lot of rural areas that comes in with less maintenance than gravel but not as expensive as asphalt. It is basically a a top thin layer of tar with gravel pressed into it.
Chip and Seal is a technique used in a lot of rural areas that comes in with less maintenance than gravel but not as expensive as asphalt. It is basically a a top thin layer of tar with gravel pressed into it.
My city in SF bay area resurfaced some residential streets that way. So far it held on well for 10 years probably because we don't get much truck traffic. Meanwhile the near freeway is a major route for big trucks so after the winter rain its all full of potholes.