 The porous macadam, ready for the Polytrack surface. |
|  Dump trucks bring the Polytrack material from the area where it is being blended. |
|
 Spreading the mixture over the porous macadam surface |
|  Special equipment grooms the Polytrack on the 7-furlong chute. |
|
 The groomed Polytrack surface on the 7-furlong chute. |
|  The chute surface completed, work moves to the backstretch and Clubhouse turn. |
|