Applications in GIS
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| 1 | Practice: | California Department of Transportation GIS/Level of Service Application |
| Subject Area: | Operations | |
| State: | California | |
| Organization: | California Department of Transportation | |
| Contact: | Carlos Yamzon | |
| Title: | Senior Transportation Planner | |
| Email: | carlos_yamzon@dot.ca.gov | |
| Phone: | 209-948-3975 | |
| Description: | This GIS application utilizes ArcView 3.2 Avenue programming to perform Highway Capacity Manual (HCM) capacity and levels of service analysis methodologies for freeways, multi-lane highways, and two-lane rural highways on the entire or selected segments of a Regional Traffic Model network. Using the ArcView and TP+ Plus/Viper software interface capabilities, a traffic model is converted to a shapefile and analyzed in the ArcView environment. This application demonstrates a GIS/Traffic Model/HCM Interface capability that streamlines the process of impact analysis on highway projects and local development. | |
| Related Documentation: | https://proceedings.esri.com/library/userconf/proc02/pap0570/p0570.htm | |
| 2 | Practice: | California Intermodal Transportation Management System (ITMS) |
| Subject Area: | Planning | |
| State: | California | |
| Organization: | California Department of Transportation | |
| Contact: | Linda Turnquist | |
| Title: | Senior Transportation Planner | |
| Email: | linda_turnquist@dot.ca.gov | |
| Phone: | 916-653-4107 | |
| Description: |
The Intermodal Transportation Management System Branch (ITMS) works with the ITMS planning tool, ITMS Version 3 [Person Movement] (ITMS V.3), which is a performance-based, decision support system that includes all forms of transportation, e.g., state highways, passenger and freight rail, air routes, waterways, and intermodal facilities. It is designed to assist transportation planning professionals in making informed decisions in selecting cost-effective actions and strategies, e.g., alternatives analysis using performance measures for improving California's intermodal transportation system.
The ITMS V.3 is an ArcView GIS application that operates on both Windows and Macintosh platforms. It is a macro-level, quick-response planning tool, which has intermodal system elements for person movement. The ITMS V.3 links spatial and attribute information for transportation systems for both existing and forecasted conditions. State and regional planners engaged in evaluating public investments in transportation, Caltrans to incorporate intermodal transportation into its corporate database, private sector transportation interests seeking public support for projects, and others interested in California's transportation infrastructure. |
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| Related Documentation: | http://www.freightworks.org/Documents/California%20Intermodal%20Transportation%20Management%20System%20Documentation.pdf | |
| 3 | Practice: | California OneMap |
| Subject Areas: | Asset Management Maintenance Operations Planning | |
| State: | California | |
| Organization: | California Department of Transportation | |
| Contact: | Oscar Jarquin | |
| Title: | Chief, Office of GIS | |
| Email: | oscar_jarquin@dot.ca.gov | |
| Phone: | 916-654-3853 | |
| Description: | California OneMap is an Oracle/ArcSDE road database that conflates purchased Tele Atlas data with state data to make customized maps. California OneMap offers a definitive set of road features, including Caltrans-specific road attributes, which support Federal Highway Administration (FHWA) reporting mandates. California OneMap is jointly managed by both the California Department of Transportation (Caltrans) and Tele Atlas to include both Caltrans-sourced road classification updates and Tele Atlas road additions and improvements. | |
| Related Documentation: | https://dot.ca.gov/ | |
| 4 | Practice: | California Transportation Investment Tool |
| Subject Area: | Planning | |
| State: | California | |
| Organization: | California Department of Transportation | |
| Contact: | Ann Mahaney | |
| Title: | Associate Transportation Planner | |
| Email: | ann_mahaney@dot.ca.gov | |
| Phone: | 916-654-5708 | |
| Description: | The California Transportation Investment (CTIS) Tool is a customized GIS application that allows users to display transportation projects (including highway, local, rail, aviation, transit, bicycle and pedestrian), programmed and planned, statewide over the next 20 years. The Tool uses existing GIS data, analytic tools and programming information to enable the user to view where investment in the transportation system is currently underway and where it is planned in the future. This Tool is intended to assist Caltrans and regional planners in identifying and assessing gaps, overlaps and inconsistencies in planned projects and opportunities for improved timing and coordination of projects, as well as providing input to a revised California Transportation Plan (CTP). Installation of the CTIS v. 2.0 planning tool requeres a password; please contact Caltrans contact by email. The Tool requires ESRI's ArcView 3.x software. | |
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| 5 | Practice: | Caltrans Cultural Resource Database (CCRD) |
| Subject Areas: | Environment Environmental Streamlining | |
| State: | California | |
| Organization: | Caltrans | |
| Contact: | Lissa McKee | |
| Email: | lissa_mckee@dot.ca.gov | |
| Phone: | 510-622-5458 | |
| Description: | CCRD serves as an electronic inventory of architectural and archeological cultural resources, while providing a visual connection to cultural resources along right-of-ways. CCRD is used primarily during two stages of NEPA-project scoping and environmental analysis/documentation-and then after NEPA during construction. CCRD is used during the scoping phase to create probability-based assessments from GIS layers of morphological and geological features to determine the likelihood of encountering underground archaeological sites. During the environmental analysis and documentation phase, staff members use the CCRD to visualize areas of potential effect, evaluate alternatives, record new archaeological sites, and document the environmental decision-making process. In the long term, Caltrans envisions linking the CCRD with analogous systems in other States. | |
| Related Documentation: | https://www.gis.fhwa.dot.gov/documents/GIS_for_Env_Streamlining.htm#tn | |
| 6 | Practice: | Caltrans Determination of State Wildlife Connectivity Needs |
| Subject Area: | Environment | |
| State: | California | |
| Organization: | California Department of Transportation | |
| Contact: | Gary Winters | |
| Title: | Chief, Division of Environmental Analysis | |
| Email: | gary.winters@dot.ca.gov | |
| Phone: | (916) 653-7136 | |
| Description: |
Habitat fragmentation is becoming a great concern for the California Department of Transportation (Caltrans) along old as well as new alignments where traffic, median barriers, and widening are compounding the challenges to wildlife movement. Endangered species and the exclusion of higher order carnivores and the next level of predators these carnivores control-called meso-predators-have been driving forces on the issue. Decline and extinction of some bird populations has been linked to a disproportionate increase in the meso-predator population.
Due to the rising importance of the issue and implications for future construction, Caltrans participated in a statewide symposium/workshop to identify "Missing Linkages" in fall 2000. The California Department of Parks and Recreation, the Biological Resources Division of the United States Geological Survey, California Wilderness Coalition, the Center for Reproduction of Endangered Species, and The Nature Conservancy (TNC) sponsored the meeting, which attracted 152 scientists, activists, and planners. Their report, Missing Linkages, identifies 232 critical habitat linkages in the state, 59 percent of which are threatened. The connectivity areas identified in the report ranged from narrow choke points, like the Coal Canyon underpass, to long stretches of rivers and broad swaths of redwood forest. More than half of the linkages were deemed to be high priorities because of development threats and good opportunities for conservation. Caltrans plans to utilize the products of the state's collaborative "Missing Linkages" project to assess viable communities, habitats, and wildlife movement corridors throughout the state. This resource will be used to help environmental impacts wherever possible, and as a guide for addressing habitat and wildlife connectivity needs when the state implements conservation measures. Generation of the statewide conservation and connectivity maps is providing the foundation for interagency buy-in, acknowledgement, and utilization of a common set of environmental priorities. The mapped priorities are expected to streamline interagency coordination and negotiation on a project-by-project basis, reduce conflict, and facilitate achievement of mutual stewardship objectives among Caltrans, FHWA, federal and state resource and regulatory agencies, non-profit conservation organizations, and environmental advocates. As a next step, TNC is assisting Caltrans in comparing the 20-year transportation plan to priority conservation areas, to minimize potential impacts and to identify opportunities where Caltrans mitigation projects could achieve the greatest environmental benefit and make a tangible contribution to achievement of interagency, public and private conservation objectives. To more effectively accomplish this, Caltrans is exploring ways to assess mitigation needs on a regional or plan-level basis. Currently, Caltrans is projecting and quantifying its mitigation needs over the next 10-20 years in the Desert and Central Coast regions, and Caltrans and FHWA are exploring opportunities to focus conservation measures to address ecoregional conservation and connectivity plan priorities in those areas. Caltrans is still working with resource agencies to ensure that advance mitigation will indeed satisfy resource and regulatory permitting and consultation requirements. TNC staff will work with Caltrans on identifying potential mitigation packages and identifying other stakeholders who may want to be involved in the design of such packages (based on anticipated needs and the best available science). As resource and regulatory staff were involved in the initial identification process of conservation priority areas, regulatory approvals are expected to be streamlined. Caltrans anticipates that advancing this environmental analysis into planning will contribute a broad, regional perspective; gain consensus among multiple resource agencies and partners; identify, avoid, and minimize significant impacts; identify opportunities for enhancements; and better assess cumulative impacts. |
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| 7 | Practice: | Caltrans GIS Applications |
| Subject Areas: | Environment Environmental Streamlining | |
| State: | California | |
| Organization: | Caltrans | |
| Contact: | Lissa McKee | |
| Email: | lissa_mckee@dot.ca.gov | |
| Phone: | 510-622-5458 | |
| Description: | Caltrans' GIS Applications system is a comprehensive and far-reaching system that combines GIS and a database system with a variety of searchable components to create a tool cultural resources staff members and managers use throughout the NEPA process. Caltrans primarily uses the GIS Applications system in two stages of NEPA-project scoping and environmental analysis/documentation-and then after NEPA during construction. The GIS Applications system is used during the scoping phase to create probability-based assessments from GIS layers of morphological and geological features to determine the likelihood of encountering underground archaeological sites. The GIS Applications system simplifies information gathering, and Caltrans estimates that some searches that in the past may have taken 2 weeks now only require 15 to 25 minutes. In the long term, Caltrans envisions linking the GIS Applications system with analogous systems in other States. | |
| Related Documentation: | https://www.gis.fhwa.dot.gov/documents/GIS_for_Env_Streamlining.htm#tn | |
| 8 | Practice: | Caltrans Office of GIS Library |
| Subject Areas: | Asset Management Environment Maintenance Operations Planning | |
| State: | California | |
| Organization: | California Department of Transportation | |
| Contact: | Roger Ewers | |
| Email: | rewers@dot.ca.gov | |
| Description: | The California Department of Transportation (CalTrans) GIS Data library provides users with downloadable transportation, environmental, political/administrative, cultural, and infrastructure data, documentation, and maps. The library offers web-based previews of coverages and also indicates when the data were last updated and reviewed. The Library also describes data sharing restrictions, such as whether data are public domain and available for download by CalTrans staff or whether data are proprietary and require special licensing agreements. Non-CalTrans users can access the catalog of data via the California Environmental Resource Evaluation System's (CERES) data library website: http://gis.ca.gov . | |
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| Related Documentation: | https://gisdata-caltrans.opendata.arcgis.com/ | |
| 9 | Practice: | GIS/Level of Service Application |
| Subject Areas: | Maintenance Operations | |
| State: | California | |
| Organization: | California Department of Transportation | |
| Contact: | Carlos Yamzon | |
| Title: | Senior Transportation Planner | |
| Email: | carlos_yamzon@dot.ca.gov | |
| Phone: | 209-948-3975 | |
| Description: | California Department of Transportation (Caltrans) Level of Service application is a GIS that utilizes ArcView Avenue programming to perform Highway Capacity Manual (HCM) capacity and levels of service analysis methodologies for freeways, multi-lane highways, and two-lane rural highways. These analyses can be performed on the entire road network or on selected segments of a Regional Traffic Model network. Using the ArcView and TP+ Plus/Viper software interface capabilities, a traffic model is converted to a shapefile and analyzed in the ArcView environment. This application demonstrates a GIS/Traffic Model/HCM Interface capability that can streamline the process of impact analysis on highway and local development projects. | |
| Related Documentation: | https://proceedings.esri.com/library/userconf/proc02/pap0570/p0570.htm | |
| 10 | Practice: | Multiple Species/Habitat Conservation Programs and Transportation Planning |
| Subject Areas: | Environment Planning | |
| State: | California | |
| City: | San Diego | |
| Organization: | San Diego Associations of Governments | |
| Contact: | Bob Parrott | |
| Title: | Director of Research | |
| Email: | bpa@sandag.cog.ca.us | |
| Phone: | (619) 595-5231 | |
| Description: | Planning for transportation facilities in a region that has nearly 200 threatened or endangered species is a major challenge for San Diego Association of Governments (SANDAG). The region has launched a massive effort to complete multiple jurisdiction, multiple habitat, and multiple species conservation programs, and GIS was chosen as the method for maintaining and analyzing these data. By maintaining continuous and comprehensive habitat conservation programs, the region's transportation planners have access to timely and accurate environmental data. | |
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