Absolutely. I always hold my breath and hit the brakes if a bus gets in front of me. Trucks aren't so bad as they have the exhaust pipe pointing right up in the

Absolutely. I always hold my breath and hit the brakes if a bus gets in front of me. Trucks aren't so bad as they have the exhaust pipe pointing right up in the air. Just the amount of traffic at the time makes a huge difference as well. At peak hour times I have breathing issues but other times its acceptable.