Only if weather or road conditions safely allow it.
Always
a & b
No, you should not. Your speed should depend on the weather conditions, and you should only drive a speed that is safe according to current visibility and road conditions.
yes
False!
826 limit
The Absolute
Generally 5 mph but you should always check the particular parking area for the posted speed limit.
No. You are also allowed to drive at speeds below the speed limit. Some highways will post a minimum speed in addition to the speed limit, with the requirement that you use four-way flashers if your speed drops below the posted minimum.
The speed limit is the top speed that is legally allowed. If it is exceeded, you are breaking the law.
No, you should not. Your speed should depend on the weather conditions, and you should only drive a speed that is safe according to current visibility and road conditions.
On a regular weekday traveling at the posted speed limit it should take you on average of 40-45 minutes.