Exit the airport following signs for I-90. Turn left onto I-90 Frontage W. Travel 7.9 miles and turn left to merge onto I-90 E toward Billings. Travel 138 miles and take exit 446 for I-90 BUS toward W Billings. Keep right at the fork, follow signs for King Ave W/Mullowney Ln. Keep left at the fork, follow signs for King Ave West. Turn left onto Mullowney Ln. Continue onto King Ave W. Turn left onto South 24th St W. Turn right onto Grant Rd.