ELI5: Explain Like I'm 5

Highway Capacity Manual

Okay kiddo, are you ready to learn about the Highway Capacity Manual? This is a big book that helps people who work on roads figure out how many cars and trucks can go on a street without causing too much traffic.

Think of it like when you have a lot of friends over to play. If too many of you try to play in one room, it can start to feel crowded and all the games get slowed down. But if you split up and play in different rooms, everyone can have more fun and play faster.

The Highway Capacity Manual helps engineers, planners, and other grown-ups figure out how to split up cars and trucks on different roads so they can all get where they need to go without getting stuck in traffic. They use things like computer programs and math to figure out how fast the cars can go, how many lanes are needed, and where stoplights should go.

By using the Highway Capacity Manual, grown-ups can make sure that we can all get to school, the store, and everywhere else we need to go as quickly and safely as possible. Isn't that pretty cool?