Attached you will find a map showing tunnels and underpasses with less than 4,50 m headroom on Norwegian state highways.
The map gives information about underpasses, railway underpasses, pedestrian overpasses, and tunnels, bridges, ferry quays - with headroom and number of obstructions of this kind.
There are restrictions on the transport of certain categories of dangerous goods in some Norwegian road tunnels (ADR-restrictions).
Please find detailed information below (pdf, 7mb). If you have problems opening the file, try downloading it to your machine, and then open it locally.