GPS—Rapid Solutions for Transportation Management
Publication: Journal of Surveying Engineering
Volume 119, Issue 1
Abstract
The use of global positioning systems (GPS) as a survey tool can bring rapid solutions for transportation management. GPS can be an efficient cost‐effective, and accurate method of obtaining positional data, as reported by Henderson and Quirion in 1988. Field conditions can limit the use of GPS. To use GPS effectively requires innovation, expertise, and experience on the part of surveyors, as noted by Craymer et al. in 1990. GPS data combined with a total station data were used to provide control along a 27.5 km (17.1 mi) section of the Santa Monica Freeway, in California. A total of 54 primary stations were positioned with GPS and 203 secondary stations were positioned with a total station. The static method was used in lieu of the kinematic method to position primary stations. For reasons explained in the paper, it would have been difficult if not impossible to maintain lock on the satellites during the progress of the survey and collect valid data for positional computation, as reported in Coad, in 1988. The survey control was completed in order to digitize the traveled edges of the freeway. The digitizing and compilation of maps was completed directly from the photos and not by a stereo compilation.
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References
1.
Coad, C. C. (1988). “A kinematic survey of Clinton Lake Dam.” Proc., GPS Specialty Conf., ASCE, New York, N.Y.
2.
Collins, J. (1989). “Fundamentals of GPS baseline and height determination.” J. Surv. Engrg., ASCE, 115(2), 223–235.
3.
Craymer, M. R., Wells, D. E., Vanicek, P., and Devlin, R. L. (1990). “Specifications for urban GPS surveys.” Surv. and Land Information Systems, 50(4), 251–259.
4.
Henderson, T. E., and Quirion, C. A. (1988). “The use of GPS‐derived coordinates in a GIS environment.” Proc., GPS Specialty Conf., ASCE, New York, N.Y.
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Proposed geometric geodetic survey standards and specifications for geodetic surveys using GPS relative positioning techniques. (1988). U.S. Department of Commerce, Rockville, Md.
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Stokes, D. K., and Thompson, J. F. (1991). “GPS for railroad corridor surveying.” GPS World, 2(1), 46–49.
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Copyright
Copyright © 1993 American Society of Civil Engineers.
History
Received: Sep 3, 1992
Published online: Feb 1, 1993
Published in print: Feb 1993
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