Project Cornerstone Members Are Busy Improving Our Homes

Written by Alyssa Burley.

Robertson's Ready Mix was spotted pouring a residential driveway in Del Mar, last week.

Did you know?

  • The average driveway needs 19 tons of aggregate.
  • The average sidewalk in front of a house needs 14 tons of aggregate.
  • The average street in front of a house needs 100 tons of aggregate.
Photo by Crystal Howard

Photo by Crystal Howard

Send us your truck pictures and a description to pics@project-cornerstone.org and we'll post them!

Data source: Modified after AGI, 2004.  SMGB Information Report 2008-05; USGS)