Abstract
Abstract 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. This paper presents results of a testing campaign performed within a project funded by the NPRA as a part of SMarter road traffic with Intelligent Transport Systems (ITS) (SMITS) program. The testing campaign objective was performance evaluation of high end commercial MMSs for inventory of public areas, focusing on Global Navigation Satellite System (GNSS) signal degraded environments.
Highlights
Responsibilities of the Norwegian Public Roads Administration (NPRA) include managing and maintaining the National Road Data Bank (NVDB) – an information database created for optimization of management and development of the national road infrastructure and road surface quality monitoring Vegdirektoratet (2012)
In the case of the Cyclomedia system, the mapped image data was already available through a demo project conducted by the Norwegian Public Roads Administration Halvorsen et al (2012), where the data collection was performed by the Norwegian Cyclomedia system operator - Blom Geomatics AS
The standard deviation reported is the standard deviation of the displacement between the coordinates determined by either the Cyclomedia, or TerraTec systems and those produced via traditional survey methods
Summary
Responsibilities of the Norwegian Public Roads Administration (NPRA) include managing and maintaining the National Road Data Bank (NVDB) – an information database created for optimization of management and development of the national road infrastructure and road surface quality monitoring Vegdirektoratet (2012). When the NPRA obtains information for an object/asset it has to register it in both databases. The goal with both NVDB and FKB is to establish and maintain common sets of high quality data. The requirements for the positioning information to be registered are quite high, in general at the 1 - 2 dm level Vegdirektoratet (2012); Kartverket (2013)
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