Bike Warriors in L.A.

"Paula Rodriguez, who lives in the San Fernando Valley, got so disgusted with soaring fuel prices last spring that she stopped driving, sold her SUV and bought a bike.

But pedaling the 15 miles home from her job, the 30-year-old Ms. Rodriquez has encountered something more frightening than $4.50-a-gallon gasoline: the mean streets of L.A., home of the nation's most entrenched car culture.

"Drivers scream at me to get off the road," says the medical-billing clerk. The main commuting route near her home is so terrifying, she says, that she usually takes an alternative route that adds four miles to her trip.

Even then, it's not an easy ride. On one stretch, splintered glass in the street could puncture her tires, she says. On Wednesdays, she has to dodge garbage cans blocking the bike lane. On Friday evenings, as the sun sets, she feels menaced by drunk drivers. Such threats compel her to sometimes swing onto the sidewalk, even though that could get her a ticket. "I go slow, ring my little bell and stop sometimes to say 'hi' to pedestrians," she says."