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Office of Highway Policy Information (OHPI) – Travel Monitoring and Traffic Volume – Traffic Monitoring Guide

Traffic Monitoring Guide

Appendix N. INDEX

AADT Reporting on Mainlines and Ramps, 6-6, 6-7 Count Station, 1-2, 1-28, 7-70, 7-71, A-1, B-1, E-25, F-3
AADT_Combination, 6-4, 6-6, 6-19, 6-20, 6-23, 6-24 Coverage Count, A-1
AADT_Single_Unit, 6-3, 6-6, 6-19, 6-20, 6-23, 6-24 Daily Load Distribution Table, 3-42
AASHTO Guidelines for Traffic Data Programs, 1-15,
3-19, 3-81, 5-3, D-1, M-1
Data Business Plan, 2-9, D-29
Active Infrared Sensor, 4-15 Data Processing, 4-27, D-29, F-27
Adjustments to Short Duration Volume Counts, 3-67 Data Submittal Frequency, 7-2, 7-70
ADR Advanced Loop Logic, E-7 Detection Technology, 1-1, 1-15
Alternative Factor Procedures, 3-24 Detection Theory, 1-1, 1-9
Annual Average Daily Traffic (AADT), A-1, D-16, D-18, D-23 D-Factor, 1-5, 2-5, 6-1, E-23
Direction of Travel Codes, 7-6, 7-74, 7-82
Annual Average Daily Truck Traffic (AADTT), A-1, G-5 Directional Variation, 1-29
Annual Vehicle Distance Traveled (AVDT), A-1 Duration of Short Counts, 3-73
ASTM Loop Detector Handbook, 2-3, M-1 Equipment Calibration, 5-3, 6-23, F-1, F-5
ATR Site, A-1 Equipment Maintenance, 5-3
Automated Traffic Recorder (ATR), 1-2 Estimates of Travel by Vehicle Type, 6-7, 6-20
Axle Correction Factor, 1-3 Extent, A-1
Axle Factor, 1-3, A-1 Federal-Aid Highways, A-1
Axle Spacing, 1-8, 7-49, E-7, F-26, G-11, G-12, H-12, H-13 FHWA 13 Vehicle Category Classification, 3-24, C-2
FHWA Vehicle Classes, 1-9, 3-24, 7-45
Axle Weight, 1-21, 7-43, 7-44, 7-46, 7-58, 7-59, 7-60,
7-61, A-1, B-2, F-5, F-10, H-9
Field Testing, F-1, F-5, F-16
Bicycle, 1-15, 4-9, 4-34, 4-35, D-20, D-21, D-22, M-2 File Naming Recommendations, 7-1
Bicycle Counts, D-20, D-21, D-22 FIPS State Codes, 7-4, 7-5, 7-72
Bicyclist and Pedestrian Counting Technologies, 4-7 Frequently Asked Questions (FAQs), ES-2, ES-4, I-1
Blank-Fill, A-1 Full Extent, A-1
Calculations and Computations, 3-1, 3-78 Functional Classification Codes, 7-7, 7-8
Classification Data Needs, 2-5 Functional Systems, A-1
Classification Short Duration Counts, 3-69 Future AADT, 6-23, 6-25
Cloud-Based Data Collection, F-27 Geographic Variation, 1-30
Cluster Analysis, 3-10, 3-11, 3-49, G-13, G-14 Gross Vehicle Weight, F-5
Clustering Methodology, ES-4, G-1, G-17 Growth Factor, 6-23
Code of Federal Regulations, ES-2, B-1 Heavy Vehicle Weight User Needs, 3-36
Combination Unit Truck (CU) Factor Groups, 3-28
Compendium of Designing Statewide Traffic
Monitoring, 3, D-1
Highway Performance Monitoring System (HPMS), ES-1,
ES-2, ES-3, 1-2, 2-3, 3-75, 6-1, D-3, D-15, E-25, I-6, L-2
Compendium of Equipment Calibration Procedures, ES-3, F-1 Hourly Traffic Volume Record, 7-18, 7-19, 7-22
Computation of Axle Correction Factors, 1-4, 3-80 HPMS Requirements for Traffic Data, ES-3, 6-1
Conditions and Performance Report to Congress, 6-1 HPMS Traffic Data Items, 6-6
Continuous Count Locations, 3-6, 3-13, 4-26 HPMS Vehicle Class Groups, 3-24
Continuous Count Program, 2-4, 3-5, 4-26, F-16 Inductance Loop Detector, 4-9, 4-10, 4-11, 4-12, 4-13, 4-14
Continuous Counts, 1-3 Inductive Loop Detector, 1-9
Continuous Data Program, 1-3, 2-8, 3-1, 3-3, 3-5, 3-36 Information Technology Tools, D-3, D-7, D-8
Continuous Traffic Counter, E-16 Infrared Counters for Non-Motorized Traffic, 4-14
Coordinating Count Programs and Sharing Data, 2-9 Infrared Sensor, 4-13
Count Magnitude and Variability, 4-36 Intelligent Transportation Systems (ITS), ES-1, 2-6, D-4
Internet Traffic Monitoring System, D-24 Internet Traffic Data Upload System, D-27, E-18
K_Factor, 6-4, 6-6, 6-23, 6-24 Pedestrian, 1-15, 4-26, 4-32, 4-34, 4-35, D-19, D-20, M-2
Lane Occupancy, 3-62 Pedestrian and Bicycle Count Locations, D-20
Lane of Travel Codes, 7-6 Per Vehicle Data Format, 7-2, 7-48
Local Agency Data Sharing, D-16 Permanent Counts, 1-34
Long Term Pavement Performance, 1-15, 3-23,
3-46, 3-47, B-2, M-2
Permanent Data Program, 4-26
LRS Identification, 7-3, 7-12, 7-72, 7-78 Permanent Site Location, D-10, D-26
LRS Location Point, 7-4, 7-12, 7-72 Piezo-Electric, 1-35
Magnetic Detector, 1-9 Pneumatic Tube Data Collection, D-2
Magnetic Sensor, 1-9 Pneumatic Tubes, 4-16
Magnetometer, 1-9, 1-11, 1-14, 1-33, 1-35, 1-36,
4-7, 4-16, 7-11, 7-76, 7-84
Portable Traffic Recorder (PTR), 1-2
Manual Classification Data Collection, D-2, D-5 Posted Route Signing Codes, 7-13, 7-78
MAP-21, ES-1, ES-2, 3-76, 5-1, 6-22, A-2, B-2 Pressure and Seismic Sensors, 4-17
Mechanistic-Empirical Pavement Design Guide
(MEPDG), 3-38, G-1
Program Design, 2-1, 2-3, 2-4, 4-27
Metadata, 2-11, 3-73, 6-3, 6-21, A-1 Program Evaluation, 2-5
Metropolitan Planning Organization (MPO), D-16 QA/QC Systems for Traffic Data, E-1, E-15, E-18, E-21, E-25
Microwave Doppler, 1-9, 1-14 Quality Assurance, i, 2-11, E-20, F-26, L-2
Microwave Radar Sensors, 1-9 Quality Control, ES-3, 3-6, 3-19, 6-23, E-1, G-11, G-17, J-1
Monthly (Seasonal) Variation, 1-28 Regional and Sub-Area Traffic monitoring Design, 2-5
Monthly Average Daily Traffic (MADT), 4-39, A-2, J-3 Reporting Methods, F-2, F-11
Monthly Factor, 1-4, 3-8, 3-28, 3-29, 3-33 Resource Sharing and Coordination, 5-3
Monthly Variation, 4-23 Road Tubes, 1-33
Motorcycle, 1-21, 3-32, 3-33, 3-34, 3-75, 3-76,
6-6, 6-19, E-20, I-8
Roadway Facility Specific Traffic Monitoring Design, 2-5
Motorcycle ADT, 3-34 Roadway-Specific Factors, 3-25
Motorcycle Counting, 1-21 Sample Panel (HPMS), A-2
Motorcycle Counts, 6-6, 6-19 Season Pattern Group, 3-11
Motorized Sensor Comparison, 1-14 Seasonal Factor, 1-4, G-5, G-6, G-10
National Highway System (NHS), 6-1, 6-2, 6-3, A-2 Seasonality Factor, A-2
NCHRP and AASHTO Recommendations, F-28 Selection of Count Locations, 4-33
Non-Motorized Count Data Format, 7-2, 7-80 Sensor Technology Combinations, 1-10
Non-Motorized Count Equipment, 4-4, 4-5 Setup and Calibration of Electronics Equipment, F-25
Non-Motorized Count Record, 7-70, 7-80, 7-87 Short Duration Count, ES-3, 1-3, 1-33, 3-63,
3-68, 3-73, 6-22, A-2
Non-Motorized Count Station Description Data
Format, 7-2, 7-70
Short Duration Count Program, 1-3, 3-73
Non-Motorized Count Station Description Record,
7-71, 7-79, 7-81, 7-83
Short Duration Data Program, 3-1, 3-63, 4-33
Non-Motorized Data, 7-70 Short-Duration Coverage Counts, 2-4
Non-Motorized Traffic Monitoring, 4-1 Short-Term ATR, E-16
Occlusion, 1-22, 1-33, 4-37 Short-Term Temporary Counts, 1-31
Office Remote Checking, F-2, F-9, F-17 Single Unit Trucks, 3-29, 6-23
Office Testing, F-2, F-9 Site and Sensor Installation Best Practices, F-23
Operations-Based Traffic Monitoring Systems, 5-2 Site Planning, F-22
Passenger Cars, 7-39, C-1 Site Selection Concepts, F-21
Passive Acoustic Array Sensor, 1-10 Special Monitoring, 5-7
Passive Infrared Sensor, 1-9, 4-14 Special Needs, 2-4, 3-65, 3-66, 3-67, 3-72
Pct_Peak_Combination, 6-3, 6-4, 6-6, 6-20, 6-23, 6-24 Speed Bins, 7-24, 7-26
Pct_Peak_Single, 6-3, 6-6, 6-20, 6-23, 6-24 Speed Data Collection, 1-33
Peak Hour Factor, 1-5, B-2 Speed Data Format, 7-2, 7-23
State Traffic Monitoring Program Examples, ES-4, L-1 Speed, Length Classification, and Volume
Data Format (T Variant), 7-53
Station Description Data Format, 7-2 State Data Sharing, D-14, D-23
Station Description Record, 7-3,
7-15, 7-19, 7-36, 7-38, 7-70, 7-71
Vehicle Axle, 1-8, 7-54, A-2
Station Identification, 7-5, 7-18, 7-19,
7-25, 7-37, 7-45, 7-50
Vehicle Axle Classification Only Data Format
(C Variant), 7-54
Summary Statistics, 3-6, 3-19, 4-28 Vehicle Axle Spacing, A-2
Table of Potential Samples (TOPS), A-2 Vehicle Class, 1-17, 1-20, 3-18, 3-19, 3-22, 3-23, 3-24,
3-29, 3-31, 3-39, 3-42, 3-75, 3-77, 3-80, 6-6, 6-19,
6-23, 7-2, 7-3, 7-8, 7-9, 7-10, 7-36, 7-37, 7-38,
7-39, 7-41, 7-43, 7-45, 7-48, 7-53, 7-54, 7-55, 7-58,
7-63, 7-64, A-2, B-1, E-4, E-7, E-17, G-1, G-4, G-5,
G-7, G-15, H-7, H-9, K-1, M-2
Temporal Factors, 3-15 Vehicle Classification, 1-17, 1-20, 3-18, 3-19, 3-31,
3-77, 6-6, 6-19, 6-23, 7-2, 7-3, 7-8, 7-9, 7-10, 7-36,
7-37, 7-38, 7-39, 7-41, 7-53, 7-54, 7-55, 7-58, 7-63,
7-64, B-1, E-7, E-17, K-1, M-2
Terminology, 1-1 Vehicle Classification and Axle Weights (W Variant), 7-58
Time-of-Day Variation, 4-20 Vehicle Classification and Wheel Weights (Z Variant), 7-63
Traditional Factor Approach, 3-26 Vehicle Classification Counts, 6-6, 6-19, E-17
Traffic Counter, 1-1 Vehicle Classification Data Format, 7-2, 7-36
Traffic Data Collection and Motorcycles, 3-75 Vehicle Classification Groupings, 7-3, 7-9, 7-10, 7-38
Traffic Data for Pavement Design, ES-4, H-1 Vehicle Classification Record, 7-9, 7-36, 7-41
Traffic Data Uses, 2-2 Vehicle Counts, 1-8, A-2
Traffic Detector Handbook, 1-9, 1-13, 4-11, 4-15, M-1 Vehicle Length, 1-8, 7-49, 7-53, 7-54, 7-55, 7-58,
7-64, A-2, E-7, I-4
Traffic Management and Operations, 5-1 Vehicle Miles Traveled (VMT), ES-3, A-2
Traffic Metadata, 6-7, 6-21 Vehicle Speed, 7-23, 7-25, 7-53, 7-55, 7-58, 7-64, A-2
Traffic Monitoring and Evacuations, 5-9 Vehicle Speed Record, 7-23
Traffic Monitoring Formats, ES-3, 7-1 Vehicle Types, ES-3, 7-9, C-1
Traffic Monitoring Program Processes, D-1, D-7 Vehicle Volume, 1-4, 1-16, 1-25, 1-26,
1-27, 1-28, 3-80, E-8, M-1, M-2
Traffic Monitoring System (TMS), 3-16, 7-9, D-29 Video Detection System, 1-10, 1-14, 1-33, 1-36
Traffic Patterns, 1-27, 3-6, 3-7, 3-18, 3-19, 3-21,
4-27, 4-28, 4-29, 4-30, 4-31, 4-32
Video Image Processing, 4-18, 4-19
Traffic Variability, 1-24, 1-30, 4-25 Volume Data, 7-70
Traffic Volume Data Format, 7-2, 7-18 Volume Group Assignments, 6-7, 6-21
Traffic Volume Only Format (V Variant), 7-50 Weigh-In-Motion (WIM), 1-2, E-26, F-3, F-4
Travel Estimates for Local Roads, 6-6, 6-17 Weight Data Collection Locations, 3-43, 3-52
Travel Monitoring Analysis System (TMAS), ES-2, 6-23,
6-25, 7-1, 7-48, A-2, I-6, M-2
Weight Data Collection Program, 3-36, 3-62
Truck AADT, 6-6, 6-20 Weight Data Format, 7-2, 7-43
Truck Loading Estimates, 3-38 Weight Record, 7-43, 7-47, 7-48
Truck Loading Groups, 3-49 WIM Site, 3-57, 3-58, 3-61, 3-62
Truck Weight Data Summaries, 3-37 Zero-Fill, A-2
Truck Weight Groups, 3-50, 3-51
Ultrasonic Sensor, 1-10
Units of Measurement, 7-49
Urban Classification Count Programs, 3-72
User Profile and Access Control System (UPACS), 7-70, A-2
Variation of Traffic Data, 1-1, 1-24
Vehicle, ES-1, ES-3, 1-4, 1-6, 1-8, 1-9, 1-16, 1-17,
1-18, 1-20, 1-21, 1-25, 1-26, 1-27, 1-28, 1-33, 1-35,
2-2, 2-5, 3-18, 3-19, 3-22, 3-23, 3-24, 3-29, 3-31,
3-35, 3-39, 3-42, 3-43, 3-47, 3-74, 3-75, 3-77, 3-80,
5-9, 6-6, 6-19, 6-20, 6-21, 6-23, 7-2, 7-3, 7-8, 7-9,
7-10, 7-23, 7-25, 7-36, 7-37, 7-38, 7-39, 7-41, 7-43,
7-45, 7-48, 7-49, 7-50, 7-52, 7-53, 7-54, 7-55, 7-57,
7-58, 7-62, 7-63, 7-64, 7-68, 7-70, A-1, A-2, B-1,
B-3, C-1, E-4, E-7, E-8, E-9, E-17, F-1, G-1, G-4, G-5,
G-7, G-15, H-1, H-7, H-9, I-4, K-1, M-1, M-2
Page last modified on November 7, 2014
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