A CHP officer cruises along an empty stretch of the 210 Freeway that opened to motorists Tuesday. (Irfan Khan / LAT)
A CHP officer leads traffic onto the eastbound portion of the long-awaited freeway extension. (Irfan Khan / LAT)
Oswaldo Alvarez watches the event from atop his truck. (Irfan Khan / LAT)
A stray dog walks along the 210 extension before the traffic arrived. (Irfan Khan / LAT)
A view of the extension in San Bernardino. (Irfan Khan / LAT)
Ricky Martinez, left, and Jose Ibarra carry a traffic sign to be installed along the eastbound lanes of the freeway. (Irfan Khan / LAT)
Gregory Lopez Jr. removes cones in Fontana. (Irfan Khan / LAT)
A Caltrans truck drives on the westbound lanes pre-opening. (Irfan Khan / LAT)
