Yes, I should have qualified what I meant by traffic. The only vehicles were the trucks, and only about ten passed me. But still, double long trucks traveling at probably close to 80 MPH can be a bit unnerving. The only other vehicle I saw was the one BP agent, who kindly stopped and asked if I was doing okay.
Unless you find yourself pedaling the lonely highway between 1am and 6am, at which point the BP may zoom up on you from both directions, swarm around you with 3 trucks, driving over the sage and thorns to circle in a high-speed split-second blockade, stop your progress, shine a spotlight in your eyes, and ask you "what's up?" and "where you going at this hour?", ending the interrogation with "well, be careful, 'they' may jump you and take your bike". True story, I think.