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Nagano Prefecture - Motorways Under Construction

Nagano Prefecture - see which motorways are currently under construction. A clear, interactive visual overview from OpenStreetMap contributors.

Nagano Prefecture - see motorway sections currently under construction on a clear map. Follow ongoing investments and where near-term connectivity is changing.

Nagano Prefecture currently has 68 road segments under construction including 29 motorway, 29 trunk road and 10 primary road.

Nagano Prefecture - Motorways Map
Nagano Prefecture - Proposed Motorways Map
Nagano Prefecture - Cities Map

Under Construction

Links / Ramps

All Motorways

OpenStreetMap contributors

Last update: 2026-06-15

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🇯🇵Nagano Prefecture

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Road Type

Motorways

Map Mode

Under Construction

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Include trunk roads

Include primary roads

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🇯🇵Nagano Prefecture – Motorways Under Construction Map

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