Sources: Sources: Federal Highway Administration; local police and transportation officials; Times interviews, Howstuffworks.com. Graphics reporting by Rich Connell. Graphic and interactivity by Raoul Rañoa Los Angeles Times.
Sources: Sources: Federal Highway Administration; local police and transportation officials; Times interviews, Howstuffworks.com. Graphics reporting by Rich Connell. Graphic and interactivity by Raoul Rañoa Los Angeles Times.