| Summary: | Recent advancement of land-based mobile mapping
enables rapid and cost-effective collection of highquality
road related spatial information. Mobile Mapping
Systems (MMS) can provide spatial information with subdecimeter
accuracy in nominal operation environments.
However, performance in challenging environments such
as tunnels is not well characterized. The Norwegian Public
Roads Administration (NPRA) manages the country’s
public road network and its infrastructure, a large segment
of which is represented by road tunnels (there are about
1 000 road tunnels in Norway with a combined length of
800 km). In order to adopt mobile mapping technology
for streamlining road network and infrastructure management
and maintenance tasks, it is important to ensure that
the technology is mature enough to meet existing requirements
for object positioning accuracy in all types of environments,
and provide homogeneous accuracy over the
mapping perimeter.
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