U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000

Skip to content
Facebook iconYouTube iconTwitter iconFlickr iconLinkedInInstagram

Safety

FHWA Home / Safety / Tools and Technology

Model Inventory of Roadway Elements – MIRE, Version 1.0

Appendix B: HPMS and Tools Matrix by MIRE Elements

MIRE Version 1.0 Element Highway Performance Monitoring System (HPMS) Highway Safety Manual (HSM)/ Interactive Highway Safety Design Model (IHSDM) SafetyAnalyst
I. ROADWAY SEGMENT DESCRIPTORS
I.a. Segment Location/Linkage Elements
1. County Name Full Extent Required Required Conditionally
2. County Code Full Extent
3. Highway District Optional
4. Type of Governmental Ownership Full Extent
5. Specific Governmental Ownership
6. City/Local Jurisdiction Name Optional
7. City/Local Jurisdiction Urban Code 
8. Route Number Full Extent Required Required
9. Route/Street Name Full Extent Required Conditionally
10. Begin Point Segment Descriptor Full Extent Required Required
11. End Point Segment Descriptor Full Extent Required Required
12. Segment Identifier Full Extent Required Required
13. Segment Length Full Extent Required Required
14. Route Signing Full Extent Required
15. Route Signing Qualifier Full Extent
16. Coinciding Route Indicator
17. Coinciding Route — Minor Route Information Required
18. Direction of Inventory Required Required Conditionally
I.b. Segment Classification
19. Functional Class Full Extent and Ramps Required Required
20. Rural/Urban Designation Full Extent and Ramps Required Required
21. Federal Aid/Route Type Full Extent and Ramps
22. Access Control Full Extent and Ramps*, Sample* Required
I.c. Segment Cross Section
I.c.1. Surface Descriptors
23. Surface Type Sample Required
24. Total Paved Surface Width
25. Surface Friction
26. Surface Friction Date
27. Pavement Roughness/Condition Full Extent and Ramps*, Sample*
28. Pavement Roughness Date Full Extent and Ramps*, Sample *
29. Pavement Condition (Present Serviceability Rating) Sample
30. Pavement Condition (PSR) Date Sample
I.c.2. Lane Descriptors
31. Number of Through Lanes Full Extent and Ramps Required Required
32. Outside Through Lane Width Required Optional
33. Inside Through Lane Width Required Optional
34. Cross Slope Required
35. Auxiliary Lane Presence/Type Required Required
36. Auxiliary Lane Length Required
37. HOV Lane Presence/Type Full Extent
38. HOV Lanes Full Extent
39. Reversible Lanes
40. Presence/Type of Bicycle Facility Optional
41. Width of Bicycle Facility
42. Number of Peak Period Through Lanes Sample
I.c.3. Shoulder Descriptors
43. Right Shoulder Type Sample Required Optional
44. Right Shoulder Total Width Sample Required Optional
45. Right Paved Shoulder Width Required
46. Right Shoulder Rumble Strip Presence/Type
47. Left Shoulder Type Required Optional
48. Left Shoulder Total Width Sample Required Optional
49. Left Paved Shoulder Width Required
50. Left Shoulder Rumble Strip Presence/Type
51. Sidewalk Presence
52. Curb Presence
53. Curb Type
I.c.4. Median Descriptors
54. Median Type Sample Required Required
55. Median Width Sample Required Optional
56. Median Barrier Presence/Type Sample
57. Median (Inner) Paved Shoulder Width Optional
58. Median Shoulder Rumble Strip Presence/Type
59. Median Sideslope
60. Median Sideslope Width
61. Median Crossover/Left Turn Lane Type
I.d. Segment Roadside Descriptors
62. Roadside Clearzone Width
63. Right Sideslope Required
64. Right Sideslope Width
65. Left Sideslope Required
66. Left Sideslope Width
67. Roadside Rating Required
68. Major Commercial Driveway Count Required Optional
69. Minor Commercial Driveway Count Required Optional
70. Major Residential Driveway Count Required Optional
71. Minor Residential Driveway Count Required Optional
72. Major Industrial/Institutional Driveway Count Required Optional
73. Minor Industrial/Institutional Driveway Count Required Optional
74. Other Driveway Count Required Optional
I.e. Other Segment Descriptors
75. Terrain Type Sample Optional
76. Number of Signalized Intersections in Segment Sample
77. Number of Stop-Controlled Intersections in Segment Sample
78. Number of Uncontrolled/Other Intersections in Segment Sample
I.f. Segment Traffic Flow Data
79. Annual Average Daily Traffic (AADT) Full Extent and Ramps Required Required
80. AADT Year Full Extent and Ramps Required Required
81. AADT Annual Escalation Percentage Optional
82. Percent Single Unit Trucks or Single Truck AADT Full Extent and Ramps*, Sample*
83. Percent Combination Trucks or Combination Truck AADT Full Extent and Ramps*, Sample*
84. Percentage Trucks or Truck AADT Optional
85. Total Daily Two-Way Pedestrian Count/Exposure
86. Bicycle Count/Exposure
87. Motorcycle Count or Percentage Full Extent
88. Hourly Traffic Volumes (or Peak and Off-Peak AADT) Optional
89. K-Factor Sample
90. Directional Factor Sample
I.g. Segment Traffic Operations/Control Data
91. One/Two-Way Operations Full Extent and Ramps Required Required
92. Speed Limit Sample Required Optional
93. Truck Speed Limit
94. Nighttime Speed Limit
95. 85th Percentile Speed
96. Mean Speed
97. School Zone Indicator
98. On-Street Parking Presence Required
99. On-Street Parking Type Sample Required
100. Roadway Lighting Required
101. Toll Facility Full Extent
102. Edgeline Presence/Width
103. Centerline Presence/Width
104. Centerline Rumble Strip Presence/Type Required
105. Passing Zone Percentage Required
I.h. Other Supplemental Segment Descriptor
106. Bridge Numbers for Bridges in Segment
II. Roadway Alignment Descriptors
II.a. Horizontal Curve Data
107. Curve Identifiers and Linkage Elements Required
108. Curve Feature Type Required
109. Horizontal Curve Degree or Radius Sample* Required
110. Horizontal Curve Length Required
111. Curve Superelevation Required
112. Horizontal Transition/Spiral Curve Presence Required
113. Horizontal Curve Intersection/Deflection Angle
114. Horizontal Curve Direction
II.b. Vertical Grade Data
115. Grade Identifiers and Linkage Elements Required
116. Vertical Alignment Feature Type Required
117. Percent of Gradient Sample* Required
118. Grade Length Required
119. Vertical Curve Length
III. Roadway Junction Descriptors
III.a. At-Grade Intersection/Junctions
III.a.1. General Descriptors
120. Unique Junction Identifier Required Required
121. Type of Intersection/Junction Required Required
122. Location Identifier for Road 1 Crossing Point Required Required
123. Location Identifier for Road 2 Crossing Point Required Required Conditionally
124. Location Identifier for Additional Road Crossing Points Required Required Conditionally
125. Intersection/Junction Number of Legs Required
126. Intersection/Junction Geometry Required Required
127. School Zone Indicator
128. Railroad Crossing Number
129. Intersecting Angle Required
130. Intersection/Junction Offset Distance Optional
131. Intersection/Junction Traffic Control Required Required
132. Signalization Presence/Type Required
133. Intersection/Junction Lighting Required
134. Circular Intersection — Number of Circulatory Lanes
135. Circular Intersection — Circulatory Lane Width
136. Circular Intersection—Inscribed Diameter
137. Circular Intersection—Bicycle Facility
III.a.2. At Grade Intersection/Junction Descriptors (Each Approach)
138. Intersection Identifier for this Approach Required
139. Unique Approach Identifier Required Required
140. Approach AADT Required Required Conditionally
141. Approach AADT Year Required Required Conditionally
142. Approach Mode
143. Approach Directional Flow Required Optional
144. Number of Approach Through Lanes Required Optional
145. Left Turn Lane Type
146. Number of Exclusive Left Turn Lanes Required Optional
147. Amount of Left Turn Lane Offset
148. Right Turn Channelization Required
149. Traffic Control of Exclusive Right Turn Lanes
150. Number of Exclusive Right Turn Lanes Required Optional
151. Length of Exclusive Left Turn Lanes
152. Length of Exclusive Right Turn Lanes
153. Median Type at Intersection Optional
154. Approach Traffic Control
155. Approach Left Turn Protection Required Required
156. Signal Progression
157. Crosswalk Presence/Type
158. Pedestrian Signalization Type
159. Pedestrian Signal Special Features
160. Crossing Pedestrian Count/Exposure
161. Left/Right Turn Prohibitions Optional
162. Right Turn-On-Red Prohibitions Required
163. Left Turn Counts/Percent Optional
164. Year of Left Turn Counts/Percent Required
165. Right Turn Counts/Percent Optional
166. Year of Right Turn Counts/Percent Required
167. Transverse Rumble Strip Presence
168. Circular Intersection—Entry Width
169. Circular Intersection—Number of Entry Lanes
170. Circular Intersection—Presence/Type of Exclusive Right Turn Lane
171. Circular Intersection—Entry Radius
172. Circular Intersection—Exit Width
173. Circular Intersection—Number of Exit Lanes
174. Circular Intersection—Exit Radius
175. Circular Intersection—Pedestrian Facility
176. Circular Intersection—Crosswalk Location (Distance From Yield Line)
177. Circular Intersection—Island Width
III.b. Interchange and Ramp Descriptors
III.b.1. General Interchange Descriptors
178. Unique Interchange Identifier
179. Location Identifier for Road 1 Crossing Point
180. Location Identifier for Road 2 Crossing Point
181. Location Identifier for Additional Road Crossing Points
182. Interchange Type Required
183. Interchange Lighting
184. Interchange Entering Volume
III.b.2. Interchange Ramp Descriptors
185. Interchange Identifier for this Ramp
186. Unique Ramp Identifier Required
187. Ramp Length Required
188. Ramp Acceleration Lane Length
189. Ramp Deceleration Lane Length
190. Ramp Number of Lanes Optional
191. Ramp AADT Required
192. Year of Ramp AADT Required
193. Ramp Metering
194. Ramp Advisory Speed Limit
195. Roadway Type at Beginning Ramp Terminal Required
196. Roadway Feature at Beginning Ramp Terminal Required
197. Location Identifier for Roadway at Beginning Ramp Terminal  Required
198. Location of Beginning Ramp Terminal Relative to Mainline Flow
199. Roadway Type at Ending Ramp Terminal Required
200. Roadway Feature at Ending Ramp Terminal Required
201. Location Identifier for Roadway at Ending Ramp Terminal  Required Conditionally
202. Location of Ending Ramp Terminal Relative to Mainline Flow

* Collection requirements differ based on functional class.


Return to top

Page last modified on October 15, 2014
Safe Roads for a Safer Future - Investment in roadway safety saves lives
Privacy Policy | Freedom of Information Act (FOIA) | Accessibility | Web Policies & Notices | No Fear Act | Report Waste, Fraud and Abuse | U.S. DOT Home | USA.gov | WhiteHouse.gov

Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000