checkpoint

That means in more than half of the country, about three in every 10 travelers may not be able to pass through an airport checkpoint starting May 7.

It's non-stop and you carry a pack with everything you need to survive, with five checkpoints along the way where you can sleep.

A few months before, she was traveling along Interstate 8 near the southern border and passed an immigration checkpoint where she saw people detained and handcuffed.

The security checkpoints at the north and south ends of the closure will be removed when the highway reopens to the public.

We passed by a checkpoint manned by the National Guard and the LAPD, then had to stop for 20 minutes on a narrow hillside road as a backhoe was unloaded from a flatbed truck.