
Highways in Japan are toll roads. Recently, a new system called ETC (Electronic Toll Collection) has been introduced to many highway toll gates to save time and labor costs and to improve traffic congestion near the gates. The system allows users (whose cars are equipped with an ETC-compatible in-vehicle system) to pay the toll automatically as the user's in-vehicle system communicates with the antenna of the gate by radio. ETC-equipped cars do not have to stop at the toll gate. ETC-only lanes are available at some toll gates. To use the ETC system, you need to install an in-vehicle system and insert an ETC card (works like a credit card) into the unit to activate it.
In addition to national highways that connect Tokyo and other parts of the country, a Metropolitan Expressway (shuto kosoku) network runs through central Tokyo. The Expressway is a vehicle-only toll road that has no traffic lights, but it may not always be convenient as it can suffer from severe traffic jams during some parts of the day. It is best to check available traffic information if you plan to use the Expressways.
If you drive on a highway for a long time, it is always beneficial to take an occasional break to avoid fatigue that may lead to an accident. National highways are equipped with service areas (SA), which include facilities such as restrooms, gas stations, shops and restaurants. Some SAs in the countryside may have a public onsen (hot spring). Many travelers use the SA to enjoy local specialty food and buy souvenirs.
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