WHAt ARE THE BLACK CORDS ON THE ROAD 4?

Question:
the two black cords on the road that are run over by all the cars and have a green box attached to the

Answers:

what do you think of installing a locomotive horn on my car, to blow at RUDE drivers?

Traffic counters. Governments use them to determine how much traffic is using a certain roadway. It's a tool in helping them determine how to best set up infrastructure and also funding and speed limits.

If you are standing in the street, how does a car driver know if the car will hit you, brush you or miss you?

to see how much traffic is on that road. It's a road servery

Will anybody give a few "safety slogans" ?

Its a traffic survey.
They are trying to study busy patterns, slow periods, traffic light changes, etc...its all about urban planning.

Is it ok for an infant seat to be installed and the front hang off the edge of the car seat?

They count cars, how many, what time of day, etc.. Used in planning road construction and traffic light controls and stuff like that.

Will my airbags work? Two new fenders were on the car when I bought it.?

this is a way for the state to calculate the number of vehicle that travel down a certain road to see if they need to add any kind of traffic signs, signals, etc.....

is it ok to buy all terrian tires for a two wheel drive pickup?

I think they are there to monitor the traffic flow to see if the road needs improvements. Sometimes they do this periodically on a road and sometimes they do this before approving a construction project - to make sure that the traffic needs are met.

ROAD SAFETY. What can be done. . . . .?

The Department of Transportation of the State you live in, put them there to get a count of how many vehicles pass over that spot. They might have a means to divide by the number of wheels that pass over per number of seconds, I suppose. Other than that, I'm told that there are two to a set, and they measure how fast you go from the first cable to the second cable. Then they can calculate who's speeding.

hows this for a bumper sticker "intelligent people use there indicator signals, others don't"?

I've heard this, but never verified it. So... I guess we have to verify this per Department of Motor Vehicles or D.O.T.

How can I be less nervous before taking the road test in NY?

They are used to count the traffic on that specific stretch of road and the reason for two cords is so that they can separately count Semi Trucks from the other traffic. It gives them a numerical reference to how much that road is used and by what types of vehicles.

How come I and my son must (by law) be seatbelted in our car and not in his schoolbus?

They are data collectors for the Highway Traffic. Totals are used to help with designs in the roadway, regarding needs for traffic lights, enlarging roads to meet the demands of increased traffic. They act like the old bells at gas stations when there used to be full service stations,,,,only the box keeps track of the number of cars that pass over the "black cord" without the sound of the bell.

An injury from a motor vehicle crash happens in the United States every ____seconds.?

it counts the traffic

Estimate the initial speed of that car assuming a level road.?

car counter...hmmm

what dose it mean when u have a dream about someone gets killed in a car crash?

Trip wires for very clumsy cars...

what's the major purpose of a car battery?

Actually they are designed to prevent the passage of Yugos into a specific area as they aren't powerful enough to run the wires over.

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