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Title 23 Part 924 → §924.17

Title 23 → Chapter I → Subchapter J → Part 924 → §924.17

Electronic Code of Federal Regulations e-CFR

Title 23 Part 924 → §924.17

e-CFR data is current as of November 19, 2019

Title 23Chapter ISubchapter JPart 924 → §924.17


Title 23: Highways
PART 924—HIGHWAY SAFETY IMPROVEMENT PROGRAM


§924.17   MIRE fundamental data elements.

The MIRE fundamental data elements shall be collected on all public roads, as listed in Tables 1, 2, and 3 of this section. For the purpose of MIRE fundamental data elements applicability, the term open to public travel is consistent with 23 CFR 460.2(c).

Table 1—MIRE Fundamental Data Elements for Non-Local (Based on Functional Classification) Paved Roads

MIRE name (MIRE No.)1
Roadway segmentIntersection
Segment Identifier (12)Unique Junction Identifier (120).
Route Number (8)2Location Identifier for Road 1 Crossing Point (122).
Route/street Name (9)2Location Identifier for Road 2 Crossing Point (123).
Federal Aid/Route Type (21)2Intersection/Junction Geometry (126).
Rural/Urban Designation (20)2Intersection/Junction Traffic Control (131).
Surface Type (23)2AADT (79) [for Each Intersecting Road].
Begin Point Segment Descriptor (10)2AADT Year (80) [for Each Intersecting Road].
End Point Segment Descriptor (11)2
Segment Length (13)2
Direction of Inventory (18)Unique Approach Identifier (139).
Functional Class (19)2
Median Type (54)
Access Control (22)2
One/Two-Way Operations (91)2Interchange/Ramp.
Number of Through Lanes (31)2Unique Interchange Identifier (178).
Average Annual Daily Traffic (79)2Location Identifier for Roadway at Beginning Ramp Terminal (197).
AADT Year (80)2Location Identifier for Roadway at Ending Ramp Terminal (201).
Type of Governmental Ownership (4)2Ramp Length (187).
   Roadway Type at Beginning Ramp Terminal (195).
   Roadway Type at Ending Ramp Terminal (199).
   Interchange Type (182).
   Ramp AADT (191).2
   Year of Ramp AADT (192).2
   Functional Class (19).2
   Type of Governmental Ownership (4).2

1Model Inventory of Roadway Elements—MIRE, Version 1.0, Report No. FHWA-SA-10-018, October 2010, http://safety.fhwa.dot.gov/tools/data__'tools/mirereport/mirereport.pdf.

2Highway Performance Monitoring System full extent elements are required on all Federal-aid highways and ramps located within grade-separated interchanges, i.e., National Highway System (NHS) and all functional systems excluding rural minor collectors and locals.

Table 2—MIRE Fundamental Data Elements for Local (Based on Functional Classification) Paved Roads

MIRE name (MIRE No.)1
Roadway segment:
Segment Identifier (12).
Functional Class (19).2
Surface Type (23).2
Type of Governmental Ownership (4).2
Number of Through Lanes (31).2
Average Annual Daily Traffic (79).2
Begin Point Segment Descriptor (10).2
End Point Segment Descriptor (11).2
Rural/Urban Designation (20).2

1Model Inventory of Roadway Elements—MIRE, Version 1.0, Report No. FHWA-SA-10-018, October 2010, http://safety.fhwa.dot.gov/tools/data__tools/mirereport/mirereport.pdf.

2Highway Performance Monitoring System full extent elements are required on all Federal-aid highways and ramps located within grade-separated interchanges, i.e., National Highway System (NHS) and all functional systems excluding rural minor collectors and locals.

Table 3—MIRE Fundamental Data Elements for Unpaved Roads

MIRE name (MIRE No.)1
Roadway segment:
Segment Identifier (12).
Functional Class (19).2
Type of Governmental Ownership (4).2
Begin Point Segment Descriptor (10).2
End Point Segment Descriptor (11).2

1Model Inventory of Roadway Elements—MIRE, Version 1.0, Report No. FHWA-SA-10-018, October 2010, http://safety.fhwa.dot.gov/tools/data__tools/mirereport/mirereport.pdf.

2Highway Performance Monitoring System full extent elements are required on all Federal-aid highways and ramps located within grade-separated interchanges, i.e., National Highway System (NHS) and all functional systems excluding rural minor collectors and locals.


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