If I was in a hurry to get there I would start this way (more traffic, less climbing, direct):
Colorado Blvd
R Broadway
R Verdugo
Left Glen Oaks
(continued below)
If I had time, I would start this way (more climbing, less traffic, not as direct):
Lida (From Linda Vista)
L Chevy Chase
R Glen Oaks
both routes are the same from here
R Rossmoyne
L Mountain
R Maryland
L Kenneth
L Sonora
Continue Riverside
R Buena Vista