Single-drive-axle tractor-semitrailers are prevented from traveling over Donner Summit and are advised to take alternate routes. As of 6:30 a.m., eastbound traffic was being held at Donner Summit ...
5:01 p.m.: A jackknifed big rig is holding up traffic on I-80 eastbound near Castle Peak, CHP said. The Caltrans camera on I-80 near Donner Summit SNO-Park shows traffic at a standstill in the ...