Depends on the state, in most all it is posted in that particular construction zone.
This is done because where there are a lot of trucks coming in and out of the construction itself, you might need to go slower than an area that has construction beside the lane you are in protected by a concrete divider.
Slow down...life is too short
40
Fines are normally Double for violating the speed limit in a construction zone.
25
The fine for a speeding ticket for 9mph over the speed limit in California is $234.00. Tickets that occur in a construction or school zone can be assessed up to $350, depending on the area.
There is no minimum
15 mph
Whatever the normal posted speed limit of the road is.
The speed limit through a school zone can vary depending on location. Usually, the speed limit is between 15 and 25 miles per hour.
A motorist is expected not to drive faster than the speed limit on the sign until the school has been passed.
When it is flashing the speed posted is the limit
The cost of a speeding ticket in Illinois will depend on rate of speed and where you were speeding. A ticket for going 39 mph over the speed limit is $95. If it is in a school zone it climbs to $150. In a construction zone it reaches $375.
about 386 dollars depending on the city where the violation taken place. To answer this question you would need to know where you got the ticket and how much yo were going over the speed limit. Plus if it was a construction zone, etc. In Idaho just barley going over the speed limit will get you a heavy $75 fine. But its way high in the sky when its a school zone.