The connector ramp, blocked by the accident since a Sig-alert was issued around 3:45 a.m., reopened at about 5:45 a.m., CHP Officer Shawn Chase said.
The crash occurred as a large work truck contracted to conduct lane division painting on the roadway was traveling slowly at about 3:10 a.m., Chase said.
The driver of a Toyota Tacoma pickup truck was traveling at speeds estimated between 40 mph and 50 mph as he approached the work truck on the connector ramp, Chase said. The man apparently did not see the work truck until he was too close to slow to a full stop, Chase said.
The pickup truck hit the rear right end of the painting truck, and the driver of the pickup truck died at the scene. His name is being withheld until next of kin has been notified.
The driver of the work truck was transported to San Francisco General Hospital with minor injuries, Chase said.
Work trucks conducting highway repairs generally have flashing lights on the vehicle with arrows directing approaching drivers to merge into opposing lanes, according to Chase.