Specifications include, but are not limited to: 11 This mix is designed to have a crushed value of 80% for the combined mineral
aggregate, with a maximum of 60% limestone for skid resistance and a 75 blow Marshall
design and a target field air void of 4.0%. For use on high volume road with a truck
count of 350 or more.
11R This mix is identical to the type 11 except that a recycled asphalt pavement (RAP) is used
to supplement the virgin aggregate. All properties are the same as that of the type 11.
13 This mix is designed to have a crushed value of 80% and composed of a minimum of
50% quartzite or granite and a 75 blow Marshall design and a target field air void of
4.0%. Used on high volume roads usually capping a type 11 and urban projects when
placing 2-2 1/2 inches.