社会インフラ点検 16項目
MUTCD Traffic Sign & Retroreflectivity Inspection
このチェックリストは英語版です。
Inventory-based inspection of regulatory, warning, and guide signs for condition, placement, and minimum retroreflectivity compliance.
MUTCD (FHWA)23 CFR 655ASTM D4956 (sheeting)
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Sign Inventory
- Sign asset ID / location *
- Sign category (regulatory / warning / guide) *
- Is an assessment/management method for retroreflectivity maintenance in place per agency policy? *
Placement & Visibility
- Does mounting height meet MUTCD minimums for the roadway type? *
- Is lateral offset from the traveled way adequate and not creating a hazard? *
- Is the sign free of obstruction by vegetation or other objects? *
- Is the sign facing correctly and not twisted or bent from its intended orientation?
Physical Condition
- Is the sign face free of fading, graffiti, damage, or peeling sheeting? *
- Is the post/support structurally sound and, where required, breakaway? *
- Photograph the sign
Retroreflectivity
- Does the sign meet MUTCD minimum maintained retroreflectivity for its color/type? *
- Measured retroreflectivity, if metered (cd/lx/m2)
- Is nighttime/visual inspection or measured assessment method documented?
Disposition
- Is replacement or maintenance required? *
- Priority (routine / expedited / immediate for regulatory/critical signs)
- Is the sign inventory/asset record updated with condition and disposition?
MUTCD Traffic Sign & Retroreflectivity Inspectionチェックリストの完全版をダウンロード
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