SAN FRANCISCO (KRON) — The driver of a big rig was pulled over in San Francisco Tuesday morning, after a citizen informed the California Highway Patrol that they were towing a second big rig on the ...

A big rig driver was cited after being spotted towing another big rig tractor with a pipe, officers say. Photo from CHP - Golden Gate Division When an “alert” driver on a freeway spotted a big rig ...

The caller reported seeing a big rig towing another tractor-trailer on a San Francisco freeway using nothing more than the pipe and chain.