Gate #4, off of Highway J, is the gate that is used to enter the Motorplex. This is also the gate where you will buy your pitpasses, and will be staffed by Route 66 officials. The hours for this gate are 2:30pm – 6:30pm on Thursday. It will open again at 8am Friday – Sun. Closing times can be found on the Timeline on the website. There is 24hr security at Gate 6, which is off Highway 67. You can come and go after hours through this gate, if you have a pitpass. If you do not have a pitpass, you will not be allowed in, period.
If you would like a detailed map about Road America and their gate locations, they have a great one on their website at www.roadamerica.com