What is the typical maximum speed limit in business or residential districts?
\(25\) mph. Some states may set this at \(30\) mph. Look for posted signs when entering these areas.
When driving in an alley, what is the usual maximum speed limit?
The speed limit in an alley is typically \(15\) mph due to tight spaces and limited visibility.
What is the speed limit within \(100\) feet of a railroad crossing where you cannot see the tracks for \(400\) feet in both directions?
The speed limit is \(15\) mph. You must be able to stop safely if a train is approaching.
What is the maximum speed limit on most two-lane undivided highways?
\(55\) mph, unless otherwise posted. An undivided highway means there is no physical barrier or median separating opposing lanes of traffic.
What is the maximum speed limit for vehicles towing trailers or for large trucks on most highways?
Often, these vehicles have a lower speed limit, such as \(55\) mph, even if the limit for passenger cars is \(65\) mph or higher.
What is a common maximum speed limit on multi-lane highways and interstates in many states?
\(65\) mph. Some rural interstates may have posted limits of \(70\) mph or higher.
What does a yellow sign with a speed number (e.g., "30 MPH") posted before a curve indicate?
This is an "advisory speed" sign. It recommends the maximum safe speed for that specific curve under ideal conditions. It is not a regulatory speed limit, but ignoring it is unsafe.
When must you obey the reduced speed limit in a school zone?
During the specific times posted on the sign, or when the zone's warning lights are flashing. This typically applies on school days when children are arriving or leaving.
When passing a blind intersection (where there are no stop signs at any corner), what is the speed limit?
The speed limit is \(15\) mph. A blind intersection is one where you cannot see for \(100\) feet in either direction during the last \(100\) feet before crossing.
Unless otherwise posted, what is the speed limit in a school zone when children are present?
The speed limit is typically \(25\) mph. Some states or cities may post it as low as \(15\) mph. Always obey the posted sign and be extra cautious.
