Title: ICAT: Building a Contiguous and Standardized Road Network across Multiple States
Authors: Julie Chizmas, Cambridge Systematics, Inc.
Date/Time: Wednesday, September 24 ~ 8:45 a.m. - 10:15 a.m.
Abstract: The I-95 Corridor Coalition is an alliance of Federal, State and Local transportation agencies and related organizations from Maine to Florida that provides a forum for decision-makers to address transportation management and operations issues and encourages working together to improve transportation system performance. The Coalition pursues a variety of activities related to providing reliable and timely travel information and the effective movement of people and freight within the corridor and across different modes of travel.

To help coalition members with those activities, Cambridge Systematics is part of a team developing an Integrated Corridor Analysis Tool (ICAT) consisting of GIS-based transportation networks for the 16-state Coalition region and linked databases of related information. Road networks provided by the states will be spatially "stitched-together" into a contiguous network, and the state attribution augmented with attributes from the National Highway Planning Network, Highway Performance Monitoring System and Freight Analysis Framework will be validated and standardized.

This advantageous approach has several issues to be resolved:
  • Differing projection systems;
  • Connecting road networks across state borders;
  • Conflating attributes; and
  • Standardizing attributes across states.
This presentation will focus on tools being developed in ArcGIS to automate data processing, data standardization and conflation.
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