Left 4 Dead/The Terminal

You've just entered the airport.

Route

• Exit the safe house to the main terminal area.
• Go through the main office hallway.
• Exit the offices, and head down to the lower floor.
• Start the van have it move fowward to knock down a barricate
  • It's holding some portion of the building up; when it collapses, the horde gets alerted.
• In the newly opened area, advance, and go through the baggage area. Enter the conveyor belt.
• Go straight ahead to the end of the coorridor. You'll reach an atrium.
• Cross the atrium, up the stairs.
  • Don't set off the metal detectors, unless you're a smoker pulling a survivor through them.
• On the second floor, hug the right glass windows to reach the final safehouse.