YOU MUST HAVE A CURRENT USA BMX MEMBERSHIP TO RIDER THE TRACK. TO GET OR RENEW YOUR MEMEBSHIP UES THIS LINK
https://www.usabmx.com/site/sections/248

Please be sure to set up your account before coming to the track. See the link below.

https://parks.lacounty.gov/reserve/  (https://parks.lacounty.gov/reserve/)  

There are how to videos on this site if you need help.

You can also prepay before coming to the track. See the link below.

https://anc.apm.activecommunities.com/losangelescounty/activity/search?onlineSiteId=0&activity_select_param=2&activity_keyword=bmx&viewMode=list

If you have trouble on the pay site there will be staff on site to assist you