We sell a variety of ADA Tiles/Truncated Domes, listed below:

Concrete
24"x30" Yellow - 2.35" Dome Spacing
24"x24" Yellow, Black, Brick Red - 2.35" Dome Spacing

Cast In place
24"x48" with Dome spacing of 2.35" in colors Red, Black, and Yellow.
24"x48" with Dome spacing of 1.67" in just Yellow.
24"x60" with Dome spacing of 2.35" in Yellow.