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Listed below are recent developments pertinent to GIS in Transportation from the past six months. If you would like to suggest a recent development on this topic, please submit a short description to AASHTO (including any pertinent links) on the Share Info with AASHTO form.
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Integration of data from the Waze mobile traffic application with the Los Angeles region’s multimodal mobility program was the subject of a webinar sponsored by the Federal Highway Administration. The webinar discussed L.A.’s Regional Integration of Intelligent Transportation Systems (RIITS), an interagency multimodal mobility program in Southern California. The program compiles information from ITS systems including freeway, traffic, transit, and emergency services, and disseminates the information in real-time. The webinar discussed how RIITS is using data from the Waze Connected Citizens Program, a two-way data exchange program that allows government partners to integrate inputs from Waze users with publicly available data. For more information, link to the webinar summary and recording. (7-13-17)
The Federal Highway Administration has released a program study regarding the development of the Oregon Coordinate Reference System, which is used achieve accurate three dimensional geospatial positions using global navigation satellite systems. The reference system, developed by the Oregon DOT, resolves the challenge of integrating survey data collected into geographic information system maps and databases for use in transportation applications. Geospatial surveying tools make it possible to use automated machine guidance equipment for roadway and bridge construction and disseminate information via geographic information systems. It also has created a society ready for real-time information concerning road conditions and work zone updates. For more information, link to the study summary. (7-20-16)
State departments of transportation could provide more efficient project delivery with regard to Section 106 compliance if each state could develop and implement a single, statewide cultural resources geographic information system in a centralized location, according to a report issued under the National Cooperative Highway Research Program (NCHRP 25-25/Task 90). The study examined the costs and benefits of having, using and maintaining a cultural resources GIS and its effects on transportation planning, project delivery, and compliance with Section 106 of the National Historic Preservation Act as well as Section 4(f) of the Department of Transportation Act. The study found that DOTs support the creation of a single, statewide cultural resources GIS. For more information, link to Application of Geographic Information Systems for Historic Properties. (11-12-15)
The Federal Highway Administration has released a new version of the National Highway Planning Network (NHPN), a geospatial network database showing nearly half a million miles of highways throughout the U.S. The NHPN provides geospatially referenced information for National Highway System roads that are classified as principal arterial and rural minor arterial. It can also be used for modeling freight flows. For more information and a link to download the NHPH, link to http://www.fhwa.dot.gov/planning/processes/tools/nhpn/index.cfm. (3-13-15)
Featured Case Study
Virginia DOT's Comprehensive Environmental Data and Reporting system (CEDAR) provides a single user interface for VDOT's environmental data.
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