NEXCO CENTRAL Drivers' site


Points to note when passing through construction restricted areas

Accidents related to construction regulations on Expressway

The main accidents at construction restricted areas are contact with and collision with restriction equipment installed at the tip of the restriction or in the middle of the restriction section, but there have also been serious accidents​ ​in which workers have been hit and killed by vehicles that have entered the restricted area. It is occurring.

Changes in the number of accidents caused by construction restrictions on Expressway

Trends in the number of accidents due to construction restrictions on Expressway (survey by NEXCO in FY2025)

What are construction regulations?

Please watch the video below for the procedures and methods for construction regulations.

Setting up regulations

removal of regulations

Low speed driving regulations

Various construction regulations

lane regulation

■Lane regulations
Either the driving lane or the passing lane will be closed.
Advance lane change required is.

Road shoulder regulation

■Roadside regulations
There is no need to change lanes as the road is restricted to a shoulder that does not affect traffic.

Face-to-face regulations

■Face-to-face regulations
Two lanes on each side will operate facing each other. It is used for large-scale construction projects.

■Continuous regulation
When multiple construction-restricted areas are close to each other in a short section, to avoid accidents caused by forced overtaking, lane changes, or rear-end collisions or collisions when merging outside the restricted areas, vehicles should be parked consecutively even in areas where construction is not underway. construction regulations.

When approaching a construction restricted area

Regulation signs are installed approximately 1km before the construction restriction area. Be sure to be aware that there are construction restrictions in place ahead, slow down to the speed limit, be careful of following vehicles, and change lanes with plenty of time to spare.
Please refrain from changing lanes as it is extremely dangerous.

When approaching a construction restricted area

Points to note when passing through construction restricted areas

Don't look aside and look ahead when passing.

​Grip the steering wheel firmly and keep your eyes on the road as you pass.
It is necessary to change lanes in advance.

Construction vehicles enter and leave the construction restricted area.

​Construction vehicles may enter and leave the construction restricted area. Please drive within the speed limit.

Notification of construction regulations with warning sound

In some cases, warning sounds may be used to notify you of upcoming construction regulations. Please follow the regulatory signs and change lanes with plenty of time to spare.

Notification of construction regulations with warning sound

​Traffic congestion may occur near construction restricted areas. When you are at the tail end of a traffic jam, use your hazard lights to signal to the vehicle behind you to avoid being hit from behind. Allow vehicles to change lanes in a respectful manner.

Video of accident caused by entering construction regulations

Please watch the video below to see a video of an accident that actually occurred due to a violation of construction regulations.

Collisions on Expressway construction restricted areas are rapidly increasing!

Collisions on Expressway construction restricted areas are rapidly increasing! (Second edition)

Traffic rules and driving manners

It is very dangerous to drive while driving or within the regulations.
Please watch the video below and drive safely.

If you come into contact with regulated equipment

Number of accidental intrusions on the Expressway

Without panicking, stop the vehicle in a safe place and call the police by dialing 110. Also, report the accident by calling the Road Emergency Hotline (#9910) or using an emergency phone at the nearest rest facility.

Emergency Dial #9910: Call #9910 if you find a broken-vehicle, fallen objects, road damage, etc.
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