5 South to Ortega Hwy. State Rt. 74.
This will take you to the 15. 15 South to Temecula.
WARNING:
Ortega Highway is a winding 2 Lane Canyon drive. Very Beautiful.
But VERY DANGEROUS. Especially at night. And if your not familiar with the canyon. Take your time and pull over for faster traffic to pass you safely.
Most of the construction past Antonio is complete