Expressway infrastructure longevity plan (action plan)
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- Expressway infrastructure longevity plan (action plan)
NEXCO EAST, in order to clarify the direction of medium- to long-term efforts to steadily promote maintenance and renewal of Expressway managed by NEXCO EAST, "Infrastructure life extension plan (action plan)" Was formulated in March 2015.
In addition, based on the "Infrastructure Longevity Plan (Action Plan)", we have formulated "Individual Facility Plan" which is a concrete countermeasure policy for each individual facility.
- Infrastructure longevity plan (action plan) (March 31, 2015)【PDF: 15MB】
- Individual facility plan (December 2016) [PDF: 282KB]
- Individual facility plan (December 2017) [PDF: 193KB]
- Individual facility plan (December 2018) [PDF: 343KB]
- Facility-specific plan (2019 12 May) [PDF: 310KB]
- Individual facility plan (2020 Reiwa) [PDF: 298KB]
Attachment (inspection plan / repair plan)
- Bridge [PDF: 609KB]
- Tunnel [PDF: 130KB]
- Shed [PDF: 61KB]
- Large culvert [PDF: 202KB]
- Pedestrian bridge [PDF: 50KB]
- Gate-shaped signs, etc. [PDF: 126KB]
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