Southbound on ramp will be closed for repairs through Sunday.
The Southbound I-5 onramp at Magic Mountain parkway will be closed all weekend long, while construction is done on the roadway. The closure will begin at 8:00 p.m. tonight.
Motorists are advised to use detours that have been established. They include using either the Old Road or Tourney Rd to get to Valencia Blvd, where the Southbound onramps will be open.