The estimated ready mixed concrete produced in November 2018 is 29.6 million cubic yards, 5.3% lower than that in November 2017. The estimated production in the U.S. for 2018 through November is 336 million cubic yards, 2.6% higher than that during the same period in 2017.
Ready mixed concrete production is estimated from cement shipments reported by the U.S. Geological Survey. More detail is available here for NRMCA members.
National Ready Mixed Concrete Association