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Table 13 Structure Type Table 12 Grade Level Table 11 Digitizing Flag Direction (Left and Right) Name Unknown Both Directions Same Direction Opposite Direction Name ird Subsurface Second Subsurface Subsurface Ground Level First Level Second Level ird Level Fourth Level Name Bridge Bridge Covered Bridge Movable Bridge Unknown Tunnel Snowshed Dam Community Road Network Guide to Best Practices v4.0 38

Articles in this issue

Cover
1 Overview
2 Data Standards
3 Road Features
3.1 Road Classification
3.1.1 Specialized Roads
3.1.2 Roundabouts
3.1.3 New Roads
3.2 Road and Centreline Representation
3.2.1 Grade Separated Road Crossings
3.2.2 Lanes Divided by Medians
3.2.3 Multi-Lane Intersections
3.2.4 Access and Exit Ramps
3.2.5 Cul-de-Sacs
3.2.6 Winter Roads and Ice Bridges
3.2.7 Minimum Size of a Road at Junctions
3.2.8 Roads Crossing Administrative Boundaries
3.3 Road Attributes
3.3.1 Address Range Assignment
3.3.2 Functional Road Classes
3.3.3 Number of Lanes
3.3.4 Surface Material
3.3.5 Route Number
3.3.6 Route Name
3.3.7 Exit Number
3.3.8 Road Level
3.3.9 Road Structure
4 Blocked Passage Features
5 Toll Point Features
6 Ferry Segment Features
7 Data Quality Checks for NG9-1-1
8 References
Appendix A: Attribution
A.1 Data Model Attributes
A.2 Additional Attributes
Appendix B: Feature Attribute Values (Domains)
Appendix C: Attribute Data Specifications
Figure 1 Road Segment Intersections
Figure 2 Road Segment at End of Road (Dead End)
Figure 3 Road Segment Crossing a Bridge
Figure 4 Road Segments at Municipal Boundaries
Figure 5 Road Segment Crossing a Railway
Figure 6 Simple Roundabout at an intersection
Figure 7 Named Roundabout
Figure 8 Image of Complex Roundabout
Figure 9 Two-way Road with Demarcated Traffic Lane
Figure 10 Road without a Lane Marker
Figure 11 Road with Parking Spaces along Sidewalk
Figure 12 Road with Temporary Parking Lanes
Figure 13 Road divided by a Median
Figure 14 Centreline Separated by a Median
Figure 15 Intersection with Right and Left Turning Lanes
Figure 16 Freeway Interchange with Above Grade Crossings
Figure 17 Access Ramp
Figure 18 Street Name for Exit Ramps
Figure 19 Cul-de-Sac without a Central Island
Figure 20 Cul-de-Sac with a Central Island
Figure 21 Minimum Size of a Road Element
Figure 22 Intersection with an Offset Less than the Minimum Size
Figure 23 Intersection with an Offset greater than the Minimum Size
Figure 24 Address Range Assignment
Figure 25 Address Range Assignment Split over a Median
Figure 26 Cul-de-Sac with Even and Odd Address Range Assignment
Figure 27 Cul-de-Sac with Address Range Following Main Road
Figure 28 Relationship between Road Classes
Figure 29 Bridge Road Structure
Figure 30 Dam Road Structure
Figure 31 Permanently Blocked Passage
Figure 32 Blocked Passage with Removable Barrier
Figure 33 Toll Point and Infrastructure
Figure 34 Ferry Route between Two Boarding Points
Figure 35 Multiple Ferry Routes from same Boarding Point
Table 1 Road Segment Attributes
Table 2 Additional NG9-1-1 Attributes
Table 3 Ferry Connection Attributes
Table 4 Toll Point Attributes
Table 5 Blocked Passage Attributes
Table 6 Street Type Prefixes and Suffixes
Table 7 Directional Prefixes and Suffixes
Table 8 Road Classifications
Table 9 Closing Period
Table 10 Traffic Direction
Table 11 Digitizing Flag Direction (Left and Right)
Table 12 Grade Level
Table 13 Structure Type
Table 14 Surface Material
Table 15 Road Status
Table 16 Toll Point Type
Table 17 Blocked Passage Type
Table 18 Country Left or Right
Table 19 Province
Table 20 Asset Responsibility
Table 21 Acquisition Technique
Table 22 Language Indigenous
Table 23 Language

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Community Road Network Guide to Best Practices v. 4.0

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