Transportation Engineering

noun a thin, narrow strip of wood or metal

verb to insert slats into something

• The slats on the fence were evenly spaced and painted white.
• I need to replace a few slats on my deck before the summer BBQ.
• Let's sneak through the slats in the fence and see what's on the other side.
• She saw the world through a different slat, always looking for the positive in every situation.

noun a set of colored lights, typically red, yellow, and green, used to control the flow of traffic at intersections

• The traffic light turned red, indicating that we needed to stop.
• Hey, did you see that traffic light change to green?
• I gunned it as soon as the traffic light turned yellow.
• The traffic light of opportunity finally turned green for me.