NEXCO CENTRAL (Central Nippon Expressway Company Limited)

Important Notice

Please refrain from using the Expressway due to heavy rain.

Contract-related Rules and Procedures

About bid contract system

Contract rules

Bid Monitoring Committee

Qualification registration

Rigging information and complaint handling

Low bid price survey


You can look at matters related to standards for low bid price surveys.



Download style


Breakdown of construction cost composition

Supervision and inspection procedures

Inspection of construction system

Grade evaluation procedure

Criteria for changing contract fee

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