Road Centerline Study

Background

The State of North Dakota, local and tribal government, and the private sector need a seamless, statewide road centerline data set that is spatially accurate and containing the necessary attributes to be used by multiple applications and users. In particular, such a dataset is needed for emergency services and daily state agency activities.

The North Dakota GIS Technical Committee (GISTC) identified the need to conduct a study to determine the most feasible and cost-effective approach and an estimate of cost to meet the goal of developing and maintaining a statewide road centerline dataset using the best available data.

Goals

The study will result in a report which will include the following:

Develop statewide centerline survey

Quantify status and availability of centerlines for each county

Identify best available data source for each county

Data may be local, Census Bureau, NDDOT, new, or a combination

Recommended Standards

Based on county and state needs and based on NENA and FGDC

Develop Maintenance Workflow

Method for updating the statewide dataset and who will do the work

Recommend Positional Accuracy

Horizontal and vertical

Recommend Attribute Data

Based on local and state needs

Recommend Attribute Accuracy

Address matching and geocoding

Estimate Cost and Time

On a county-by-county basis, both initial and on-going costs

Suggest Funding Mechanisms

Funding partners, fee collection

Milestones

September 19, 2006

The GISTC developed a scope of work and submitted a work order to the Business Analyst category of the GIS Professional Services Contract Pool. The estimated completion date of the study is late February 2007.

November 9, 2006

The notice of the Work Order Award was made to GeoComm of Saint Cloud, Minnesota.

November 21, 2006

Signed the Work Order with GeoComm.

December 19-20, 2006

Held kick-off meetings with GeoComm, GISTC, Department of Emergency Services, ND Association of Counties.

January 8, 2007

Distribute survey to key county, city, and tribal contacts.

January 29, 2007

Survey is closed.

February 12, 2007

First documents submitted for review.

March 21, 2007

Presentation of Findings (946kb pdf) by GeoComm.

April 24, 2007

The final report documents have been released: The Final Report (3Mb pdf) and the recommended North Dakota Road Centerline Data Standards.

January 29, 2008

ND 9-1-1 Association GIS Committee met to re-cap past goals, review next steps, and begin development of a proposal describing their vision for creating a statewide, seamless road dataset.

March 13, 2008

ND 9-1-1 Association GIS Committee met to review the draft proposal and to recommend validation of the April 2007 estimate by verifying reported attributes, spatial accuracy, and reported miles.

May 5, 2008

A Work Order was sent to GeoComm of Saint Cloud, Minnesota to conduct the validation study, with completion scheduled for June 15, 2008.

May 15, 2008

Draft proposal (77kb pdf) from the ND 9-1-1 Association GIS Committee published for review and comment.

What's Next

» Review draft proposal with all stakeholders to gain consensus and determine next steps.

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