Hundreds of people in the predawn darkness snapped photos and gaped as the spacecraft inched by with its tail towering over streetlights and its wings spanning the roadway.
'I'm speechless. It's like a once-in-a-lifetime chance,' one man told KABC-TV.
'I grew up with the space program,' another said.
'I remember when Columbia blew up when I was a child in school and I was fortunate last summer to go to the last shuttle launch in Florida, so it's really exciting for me to be here and watch it go through the streets.'