A test of the IMS - Swedish Laser road tester was conducted in September 1988. The vehicle mounted laser equipment was used to survey pavement conditions on sections of Oregon's Interstate and non-interstate highway system.
The IMS laser equipment performed in the manner expected, but deficiencies were noted in groundpoint/mile marker location recording and in travel lane positioning.
The IMS equipment is able to gather large amounts of roadway data simultaneously. The the lack of present need for much of the data, however, does not make this method of data gathering cost effective for use on Oregon's highway system.
The bump at the end of the bridge has long been studied for highways and railways, yet experts from across the transportation industry continue to ide...
A recently completed study entitled, "The Investigation of Development of Pavement Roughness" (FHWA-RD-97-147), initiated by the Long Term Pavement Pe...
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