glasphalt

[ glas-fawlt, glahs- or, esp. British, -falt ]
/ ˈglæs fɔlt, ˈglɑs- or, esp. British, -fælt /

noun

a road-surfacing material composed of asphalt and crushed glass.

Origin of glasphalt

1965–70; blend of glass and asphalt
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019