interagency trail data standards usda forest service ▪ bureau of land management national park...

InteragencyInteragencyTrail Data StandardsTrail Data Standards

USDA Forest Service ▪ Bureau of Land Management National Park Service ▪ US Fish and Wildlife Service

Getting It… TogetherGetting It… Together

Requested by Interagency Trails Council

Establish a common set of data standards

Applicable to all agency-managed trails

Development of the “ITDS”

Develop standardized GPS Data Dictionary?

Develop standardized database?

Develop a core set of common data standards?

Interagency Task:

Data Dictionary or Data Dictionary or Database?Database?

Develop standardized GPS Data Dictionary?

Develop standardized database?

Develop a core set of common data standards

Interagency Task:

Data Dictionary or Data Dictionary or Database?Database?

….that can be incorporated into data dictionaries or databases

Trail… What’s a Trail?Trail… What’s a Trail?

A linear route managed for human-powered,

stock, or OHV forms of transportation or for

historic or heritage values.

Interagency Trail Definition:

Factors to ConsiderFactors to Consider

Interagency core data set

Data aren’t cheap!

Standardized terminology

Existing, standardized data attributes

Implementation feasibility & timeframes

ITDS ITDS

Attribute Review CriteriaAttribute Review Criteria

Relate to a core interagency question?

Of national, regional or statewide significance?

Provide data needed to meet applicable laws, regulations and/or policies?

Address key congressional, OMB and department-wide reporting requirements?

Currently available or obtainable?

Does (or is) the Attribute…

What Do We Want To What Do We Want To Know?Know?

Interagency Trail Questions

Basic Trail Information(trail name, length, location, etc.)

Management Information(trail uses, accessibility status, condition, cost, etc.)

Additional NST / NHT Questions(trail administrator, certified sites and segments, etc.)

Answering the Answering the QuestionsQuestions

Interagency Trail Data Standards

Data Attribute

Attribute Definition

List of Values (LOVs)

Data Parameters

ITDS Application Protocols

Crosswalk Translation (if needed)

Is the Trail Accessible?Is the Trail Accessible?Data Standard Example

Data Attribute: Accessibility Status

Attribute Definition: Accessibility guideline

compliance status for the trail or trail segment.

List of Values: Accessible

Not AccessibleNot Evaluated

ITDS AttributesITDS Attributes

Attribute Name Attribute Definition

Attribute Applies To *List of Values (LOV)

Attribute CodeLOV DefinitionReg.

TrailNST NHT1 NHT2 NHT3

Interagency Core Trail Data Attributes and Codes (LOVs)

ACCESSIBILITY STATUS

Accessibility guideline compliance for the trail segments with a Designed Use of Hiker/Pedestrian.

X X X ACCESSIBLE Trail meets current agency accessibility guidelines.

NOT ACCESSIBLE Trail determined ineligible to meet current agency accessibility guidelines

NOT EVALUATED Trail not evaluated for accessibility.

ITDS ITDS CodesCodes

Attribute NameAttribute Name Attribute DefinitionAttribute Definition List of Values (LOV)List of Values (LOV) LOV DefinitionLOV Definition

ACCESSIBILITY ACCESSIBILITY STATUSSTATUS

Accessibility guideline Accessibility guideline compliance status for the compliance status for the trailtrail

ACCESSIBLEACCESSIBLE Trail meets current agency Trail meets current agency accessibility guidelines.accessibility guidelines.

NOT ACCESSIBILENOT ACCESSIBILE Trail determined ineligible to Trail determined ineligible to meet agency accessibility meet agency accessibility guidelines.guidelines.

NOT EVALUATEDNOT EVALUATED Trail not evaluated for Trail not evaluated for AccessibilityAccessibility

ADMIN ORGADMIN ORG The The administrative unit unit where the trail or trailwhere the trail or trail segment physically resides physically resides

(insert unit codes for USFS, NPS, (insert unit codes for USFS, NPS, BLM, & FWS)BLM, & FWS)

NA - NOT APPLICABLENA - NOT APPLICABLE

Standardized List of Values for each Attribute

ITDS ITDS Data ParametersData Parameters

GIS Item Name GIS Alternate Name Data Definition (Type &

Width) Attribute Null / Not Null Multiple Values Allowed?

Defined for Each ITDS Attribute

ITDS ITDS Data ParametersData Parameters

ITDS AttributesITDS Attributes

3434

33

1313

Interagency BenefitsInteragency BenefitsAdditional Benefits of Working Together

Interagency Trail Tools

Trail Class

NHT Corridor Concept

Managed Use

NHT Condition Categories

Designed Use

Currently UnderwayCurrently Underway

Federal Trail Data Standards Publication of the ITDS by the Federal Geographic Data Committee (FY07-FY08)

Interagency Trail and GIS representatives currently collaborating on:

Upcoming Tasks?Upcoming Tasks?

National Scenic Trail AttributesIdentify additionally needed NST attributes

ITDS Implementation Strategy/ScheduleFor USFS, BLM, NPS, and FWS

Apply ITDS to Long-Distance Trails Provide implementation guidance, suggestions and examples for NST’s and NHT’s

Additional Trail Information AttributesPotential expansion of ITDS to include additional trail use & visitor Information

Where to Find It?Where to Find It? http://home.nps.gov/gis/trails/


ITDSITDS

Frequently Asked QuestionsFrequently Asked Questions

BLM: Adapting the standards into FAMS

NPS: Adapting the standards into FMSS

FWS: Adapting the standards into SAMMS

USFS: Majority of standards incorporated in Infra Trails. Remaining standards planned for Infra Trails or Infra Heritage (for specific NHT attributes)

How are agencies incorporating the Interagency Trail Data Standards?


0.0

13.2

5.6 24.3County A

County B

“Trail segment” is used informally to identify the specific portion of trail to which a data attribute refers– or to answer the question being asked…

What’s “trail segment” mean?


0.0

13.2

5.6 24.3County A

County B

Trail Segment Examples:Trail Length: 24.3 miles (segment 0.0 - 24.3)

Trail Class: 13.2 miles Trail Class 3; 11.1 miles Trail Class 2

(segment 0.0 – 13.2 and 13.2 – 24.3)

County: 5.6 miles County A; 18.7 miles County B

(segment 0.0 – 5.6 and 5.6 – 24.3)


What’s “No Overlap Allowed” Mean?

No Overlap Allowed: Only one attribute value can be recorded at any given location along the trail or trail segment.

Example: County

Mile 0.00 – 17.4: Park County Mile 17.4 – 28.3: Grove County


What’s “No Overlap Allowed” Mean?

No Overlap Allowed: Only one attribute value can be recorded at any given location along the trail or trail segment.

Example: County

Mile 0.00 – 17.4: Park County Mile 17.4 – 28.3: Grove County

Overlap Allowed: More than one attribute value can be recorded, if applicable, at any given location along the trail or trail segment.

Example: Prohibited Use

Mile 0.00 – 28.3: ATVs, Motorcycles, Bicycles


What about “things along the trail”?

“Things along the trail” include trail structures, amenities, viewpoints, etc.

While potentially valuable data at the trail or agency-specific level, this level of detail was determined to be beyond the scope of the interagency standards.


For additional questions, answers and clarification:

Appendix G: Interagency Internal Review

Appendix H: Frequently Asked Questions

Posted at www.nps.gov/gis/trails/index.html

Bottom-Line BenefitsBottom-Line Benefits

Interagency Trail Data Standards

Improved communication and efficiency

For our internal and external customers

Through proactive interagency trails coordination and collaboration


ITDSITDS

interagency trail data standards usda forest service ▪ bureau of land management national park...

Documents

data dictionaries

attribute slide

interagency trail definition

trail accessible

itds slide

trail segments

trail nstnht

trail whats