BEC口语3—identify the signs

Conversation one

Do you drive a car yourself?
Yes,I just bought new car, I drive to work everyday!
Great! When you become new driver,you are better drive as carefully as possible!
Sure, I see safety is most important thing!
Accident is awful!I will take your advice!
Besides, traffic signal in downtown area are very annoying, are they?
Yes,definitely!
You can't drive freely!
Now,we are out of the town,you can drive freely!
Compare with speaking,yes!
But things are not good as you expecting! Why not?
Can you see that road side help?
We are going to across real road. That's right.
We have to slow down again.
If we haven't meet the passing tree,we have to stop a car away.
What other signs what we see in road area like this?
There are a plenty of signs such as "Watch for childen!"