242 datasets found

Formats: RDF Tags: iowa-department-of-transportation

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  • Crash Data 80 recent views

    Point features depicting last 10 years of crash data and data that is related to general crash information. Contains crash-wide data for each crash such as date, time, weather...
  • Traffic Book - Annual Average Daily Traffic 13 recent views

    This map's service uses a thematic legend to depict the Annual Average Daily Traffic (AADT) information in the current Traffic Log Book. For additional information about a...
  • Crash Vehicle (Unit) Data 11 recent views

    Point features depicting last 10 years of crash data and data that is related to vehicle-specific crash information. Contains unit-specific data for each vehicle such as...
  • National Bridge Inventory 11 recent views

    Authoritative data of bridges in Iowa. This layer contains all bridges that carry a road or pass over a road, in addition to other bridges that are non-road carrying (primarily...
  • Freight - Warehouse Facilities

    This service depicts public/contract freight warehousing facilities in the state. These facilities have the ability to produce significant freight-related traffic. Note: not all...
  • RAMS - Speed Limit

    All routes in the State of Iowa broken down by posted speed limit. This data was extracted from Iowa DOT's Road Asset Management System (RAMS).
  • Traffic Volume - Primary Roads

    This thematic map displays the most recent counted Annual Average Daily Traffic (AADT) volume information for all primary centerline segments in the state of Iowa. This includes...
  • County Traffic Crash Statistics (SICL)

    Crash history by county. Identifies number of crashes and injuries on a county by county basis going back to 2001. The Iowa DOT's Office of Traffic and Safety has updated a list...
  • Interstate Crossovers

    Point feature class file providing the location and description of the Iowa Department of Transportation's Maintenance and Construction Crossover points on the Interstate.
  • Abandoned Rail Lines

    Authoritative layer of abandoned rail lines in Iowa.
  • Traffic Volume - Secondary & Municipal Roads

    This thematic map displays the most recent counted Annual Average Daily Traffic (AADT) volume information for all non-primary centerline segments in the state of Iowa. This...
  • RAMS - Surface Type

    Surface Type data maintained inside the Roadway Asset Management System (RAMS).
  • RAMS - HPMS Sample Sections

    HPMS Sample Sections data maintained inside the Roadway Asset Management System (RAMS).
  • City Boundaries

    This map displays the current corporation limits throughout the State of Iowa as approved by the Secretary of the State or by the City Development Board.
  • 2015 Pavement Condition Index

    The Pavement Management Information Systems (PMIS) from 2011 through 2015 contains various levels of data on the pavement condition and history of Iowa Interstate and Primary...
  • RAMS - Lane Type

    Lane Type data maintained inside the Roadway Asset Management System (RAMS).
  • Crash Person-Related Data

    Point features depicting last 10 years of crash data and data that is related to injured person information. Contains points with injured person data for each crash, such as...
  • Deer Kill Locations 2013

    This database is a yearly snapshot of deer kill sites as entered by Maintenance field crews. This does not necessarily correlate to crash data related to deer impacts; this is...
  • State of Iowa Boundary

    Iowa State Border for use by Iowa DOT. May not reflect legal boundary.
  • AADT Turning Traffic 2007

    Iowa turning traffic data (AADT) for intersections on the primary, secondary and municipal roadway systems for 2007. The state is divided into 4 quadrants and each quadrant is...