HOUSTON - Tickets for Garth Brooks 2018 RodeoHouston concerts sold out in less than an hour Friday morning.

According to HLSR, 40,000 people were in the waiting room when the sale started. They say 34,000 bots were turned away.

A total of 33,765 tickets were sold Friday, HLSR said.

Tickets will be delivered via Flash Seats®, the official RODEOHOUSTON paperless ticketing system — please allow 3 to 5 business days for delivery. More information about Flash Seats can be found online at rodeohouston.com/flashseats.

Brooks will open and close the 2018 Houston Livestock Show and Rodeo, which runs from Feb. 27 thru March 18.

The full RodeoHouston lineup will be announced Thursday, Jan. 4, and tickets for the remaining Rodeo performances will go on sale Thursday, Jan. 11.

HLSR recently announced a new partnership with FlashSeats and a change in policy that allows ticket buyers to resell tickets for more than face value.

Photos: Garth Brooks announces he'll be at RodeoHouston in 2018