When Semi's Flash Headlights?

Question:
What does this mean?

How long does it take ?

I've recently increased my interstate driving time exponentially.. and at night I notice when a semi is passed by a semi, it sometimes flashes its lights at the other semi.

Does anyone knows the rough number of Gas Stations in Greater Vancouver?

Sometimes they do it to non-semi's too.. it was done to me one time.

Answers:

Should speed limits be taken out in most places in the USA?

letting the other trucker its ok to move over

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Are we really sincere to mumbai traffice problem?

it's done to let you know its ok to move back over

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What would be a good City or state to live in that is an hour or less. To commute from nyc by car or bus,train

that means you have a clear way and you can pass then after you pass you do the same back to them that means thank you

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How much is gas where you live as of today?

yes, you are clear, it is safe to move over mostly just used to help fellow drivers determine depth, here is one not used very often any more, one or two flashes of the left turn signal means thank you.

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Ladies if you drove a corvette z06 and i drove a stock dodge neon could we have a race and who would win.?

It is used for a couple of reasons--One to tell the passing driver that their trailer has passed the front of the truck being passed, and it is now safe to move back over. Second it is used to notify oncoming traffic that a police officer/or speed trap is set up just down the road.

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Are you allowed to pass on a double yellow line on the HWY in Ontario Canada ??

Everybody is correct when the semi's are passing each other going in the same direction. Keep in mind, if semi's or car's are heading in the opposite direction and they're flashing their lights, slow down. In a lot of cases, its a warning a cop is running radar a mile or 2 down the road.

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People need to learn how to drive!!! please read EVERYBODY!!!!?

When another truck is passed by another, the passed truck will flash the lights to indicate that it is safe for the passing truck to return to the same lame. It is a act of courtesy and safety.

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How much are the autoshow tickets because i really dont know?

The skilled driver already knows when it's safe to move over a lane, he doesn't need to be told, so it's just another little thing they do to try and stay awake, along with chatting on their radios, looking down into the cars with female drivers, and so on

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What do you hate the most ...?

If you let them pass and they flash their lights, they're sayng "Thank you."

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