The 9 Line Bike Park is Now Open Again Following Annual Spring Maintenance. According to SLC ordinances 11.36.110, 11.36.130, 15.08.150, & 15.08.200, remote control cars and off-highway vehicles are NOT allowed at the 9-Line Bike Park. Thank you for your cooperation. The new 9-Line Trail is further improved by the bike park at its eastern … Continue reading 9 Line Bike Park