Final answer:
The typical maximum speed limit on two-lane undivided highways is 55 MPH, but local regulations should always be checked for variations. Speed conversions can also be useful in understanding speed limits in different units.
Step-by-step explanation:
The maximum speed limit on two-lane undivided highways, unless otherwise posted, is typically 55 miles per hour (MPH). This is a common standard in many places, but it's always important to check local regulations as they can vary. For example, in a discussion on speed limits, you might learn that some interstate highways have speed limits roughly around 100 km/h, which is equivalent to about 62 miles per hour when converted from kilometers. It is also beneficial to understand how to convert speeds, as 1.0 meter per second is approximately equal to 2.2 miles per hour.