An estimated 2.5 million Southern Californians live in high-pollution zones within 1,000 feet of a freeway. Nearly half live within 500 feet, where health scientists and air quality regulators say ...

Caltrans has begun work to smooth the grooves that have irked motorists along the 101 Freeway for more than a year. Details: https://ktla.com/news/local-news/this ...