Never. It may cause an accident.
No. Not a good idea.
20 to 30 seconds
you should verify the backup
20 to 30 seconds
It is called the Hanshin Expressway. A.K.A. Kobe Expressway.
In Boston, MA there is a Toyota dealership called Expressway Toyota. Although not located on top of an expressway, the lot of the Expressway Toyota Dealership is in direct contact with the expressway.
By restoring part of the backup
avoid driving between two trucks.
There are 10 expressways, most of them ends with E (stands for expressway) like KJE (Kranji Expressway), CTE (Central Expressway) and PIE (not the pie you eat but Pan-Island Expressway) except for one special expressway called ECP (East Coast Parkway), maybe due to the fact it has a E in front (or it becomes ECE) or maybe because it just runs along the East Coast Park.
Hokuriku Expressway was created in 1972.
Kyushu Expressway was created in 1971.
Akita Expressway was created in 1991.
Tōmei Expressway was created in 1968.