Traffic accidents happen a lot here.
Please wear your seatbelt for traffic safety.
When you take the public transit system, you should wear a mask.
Even though it gets mixed up as it passes through itself, modern traffic and transport systems are pretty amazing. This word refers to traffic and transport for pedestrians, bikes, cars, buses, trains, planes... anything that gets us from A to B.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.