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Fines are normally Double for violating the speed limit in a construction zone.
40
5 mph
5-6 mph, depending on where you are
15 mph
The T indicates a speed rating of 118 mph maximum. The R stands for Radial construction.
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
The maximum speed you may drive in a particular location.
What might you encounter in a construction zone giving instructions?
Yes. It is still a construction zone workers or not.
That varies by state. I know in Raleigh, it's 65 MPH on I-40, and 60 MPH for most of the I-440 beltline. I can't be 100% certain about this, but I believe the lowest speed limit I've ever seen on an Interstate Highway (other than in a construction zone) was 50 MPH.
An orange sign typically indicates a construction or work zone when driving. These signs are used to alert drivers to potential hazards, changes in traffic patterns, or the presence of road construction activities. When encountering an orange sign, drivers should exercise caution, reduce speed, and be prepared for altered road conditions. Following the instructions on the sign helps ensure the safety of both drivers and construction workers in the designated work zone.