Tunnel inspection: what it costs, with receiptsChart of 2 sourced prices for Tunnel inspection (EUR / tunnel): from €2,000 to €12,000, newest dated Sep 22, 2026. Source: Whirrwork, CC BY 4.0.Tunnel inspection: what it costs, with receiptsEUR / tunnel · 2 sourced prices · newest dated Sep 22, 2026€0€2.5k€5k€7.5k€10k€12.5kDrone inspection with SLAM 3D mapping of a tunnel 200 m to 1 km (C-DRONE price guide, France, observed 2026 range, excl. VAT)c-drone.fr · Sep 22, 2026 · FR€2,000–€5,000Drone inspection of a long railway or road tunnel (over 1 km), overnight window (C-DRONE price guide, France, observed 2026 range, excl. VAT)c-drone.fr · Sep 22, 2026 · FR€5,000–€12,000Each row is one published price (bar = range, dot = single figure, arrow = "from"), sorted low to high.Every source is linked at whirrwork.com/use-cases/tunnel-inspection/.Tracked since Oct 25, 2026; no recorded price has changed since then.Prices with receipts: whirrwork.comChart: Whirrwork · CC BY 4.0 · data recorded 2026-10-25