stopping
A minimum following distance of 3-4 seconds is recommended when driving on the expressway to allow enough time to react in case of emergency. Adjusting your speed to maintain this distance can help prevent accidents and ensure a safer driving experience.
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.
4 to 5 seconds
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.
Kyushu Expressway was created in 1971.
Dōtō Expressway was created in 1995.
Hokkaidō Expressway was created in 1971.
Akita Expressway was created in 1991.
Miyazaki Expressway was created in 1976.