Location Exit from I-90 at Bozeman 19th St. South Take 19th street South through town. The last stoplight is at Graf Street - Patterson is 1 mile farther (no stop light). Turn right onto Patterson, go 1.5 miles to: 4955 Patterson Rd (the dark green mailbox on the right) Pull up about 10 feet from gate, it will open. When gate stops drive through to shop (barn). Gate automatically close in 20 seconds, even if you are in the way.