What 108 Years Of Repaving Looks Like Under Indianapolis Motor Speedway's Asphalt
by Stef Schrader on Black Flag, shared by Barry Petch from Deadspin > Sports News Without Fear, Favor or Compromise on (#36QTP)

Indianapolis Motor Speedway is one of the most historic tracks in America and as such, it's seen a lot of major repaves over the years. It was once paved in all bricks, but taking a core sample of the track surface shows off all the years of work that's been done to the track, layer by fascinating layer.