Never. It may cause an accident.
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.
To enter an expressway properly, begin by merging into the entrance ramp, where you should accelerate to match the speed of traffic on the expressway. Use your turn signal to indicate your intention to merge. Check your mirrors and blind spots for any vehicles in your path before merging safely into the lane. Maintain a safe following distance once you're on the expressway.
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.
slow down as soon as you are off the expressway.
Okinawa Expressway was created in 1975.
Kyushu Expressway was created in 1971.