Traffic Engineering Policies, Practices and Legal Authority (TEPPL) Policies, documentation and information for traffic engineering.

Topic Listing

Topic	Section
Tapers - Length Criteria, Formulas, etc.	T01
Telephone - Public Telephone Signing	T02
Traveler Information Management System (TIMS)	T03
Tourist Information Center Signing	T06
Tourist Information Centers - Sales Prohibited on Interstate R.O.W.	T07
Tourist Oriented Directional Signs - TODS	T08
Tourist / Visitor - Radio Information	T09
Traffic Signal - Countdown Pedestrian Signal Heads	T10
Traffic Calming	T11
Traffic Engineering Type Improvement Requests - Handling Procedures	T12
Traffic Generators - Supplemental Guide Signs for Major Traffic Generators	T13
Traffic Generators - Supplemental Guide Signs for Moderate Traffic Generators	T14
Traffic Generators that Do Not Warrant Guide Signing On the State Highway System	T15
Traffic Signal - Audible / Accessible Pedestrian Signals	T16
Traffic Signal - Alternatives / Signalized vs Unsignalized Intersections	T17
Traffic Signal - Emergency Vehicle Access	T18
Traffic Signal - Controllers - Type 2070L Technology Conversion	T19
Traffic Signal - Vehicle Initiated Preemption	T20
Traffic Signal - File Information, Request for Copies	T21
Traffic Signal - Beacons / Flashers	T22
Traffic Signal - Moveable Bridges	T23
Traffic Signal - Timing	T24
Traffic Signal - Preemption and Priority Control	T25
Traffic Signal - Emergency Vehicle / Railroad Pre-emption	T26
Traffic Signal - Installation / Removal	T27
Traffic Signal - Review And Approval Process For Private Developments	T28
Traffic Signal - Right Turn On Red Signing	T29
Traffic Signal - Signalization Guidelines For Driveways at ">Tee Intersections	T30
Traffic Signal - Part Time Operation	T31
Traffic Signal - Standard Practices For The Selection Of Metal Poles At Signalized Intersections	T32
Traffic Signal - Utility Conflicts At Signalized Locations	T33
Traffic Signal - Warrants / Definitions	T34
Truck - Entering Highway - Logging - Signing	T36
Truck - Establishing Truck Routes / Guidelines - North Carolina	T37
Truck - Hill And / Or Escape Ramps	T38
Truck - Lane Restrictions	T39
Truck - No Trucks 3 - Axles Or More Signing	T40
Truck - No Trucks - Within A Municipality Signing	T41
Truck - Over Height Vehicle Detection Systems	T42
Truck - Over Size / Over Weight - Permit Process	T43
Traffic Signal - Dark / Dead Signals	T44
Truck - Ramp Signing	T45
Truck - Route and Bridge Restrictions	T46
Truck - Rules For Reasonable Access	T48
Truck - Runaway Truck Ramps	T49
Truck - Twin Trailer Route Designation Guidelines and Rules For Access Routes for STAA Dimensioned Vehicles	T52
Traffic Control - Moving Operation Caravan - Spraying	T53
Traffic Control - Mowing Operations	T54
Traffic Control - Moving Operation Caravan - Placing Marking or Markers	T55
Traffic Control - Pavement Management Operations	T56
Traffic Signal - Red Light Photo Enforcement - Interfacing Equipment	T57
Traffic Signals - Strobe Light	T58
Traffic Signal - Flashing Operation	T59
Traffic Signal - TIP Field Review Process (After Let Date)	T60
Trees - Unlawful to Cut on Highway ROW	T61
Traffic - Traffic Impact Study Guidelines / Evaluation	T62
Traffic Signal - Emergency Vehicle Initiated Pre-emption Guidelines	T63
Traffic Signal - Pole Offset (Clear Zone)	T64
Traffic Control - Mowing Operations / Median Guardrail	T65
Traffic Signal Plans - Design	T66
Traffic Signals - Compliance with Traffic Signal and Electrical/Programming Detail Plans	T67
Traffic Signals -Provisions for Generator-powered Traffic Signals	T68
Traffic Signals and Ordinances	T69
Traffic Data Collection	T70
Traffic Signals – Flashing Yellow Arrows	T71
Traffic Signals - System Timing	T72
TEPPL Topic Development	T73
Traffic Systems - Notifying Digital Map Providers of Road Changes	T74
Traffic Systems – Incident Management Manual	T75
Traffic Systems – Integrated Corridor Management (ICM)	T76
Traffic Systems – Planning for Operations	T77
Traffic Systems – Incident Management Assistance Patrol	T78
Traffic Systems - After Hours Response	T79
Traffic Systems - TSMO Strategic Plan	T80
Traffic Systems - Memorandums of Understanding - Quick Clearance	T81
Traffic Systems – Stakeholder / Agency Coordination	T82

TEPPL Updates

Date	Topic	Description	Status
11/20/2024	Bus Stop and Pedestrian Crossing Guidance		New
9/10/2024	Traffic Systems – Stakeholder / Agency Coordination		New
1/30/2024	Traffic Systems - Notifying Digital Map Providers of Road Changes	Update of revised link	Updated
9/28/2023	Congestion Management - Pedestrian Optimum and Bicyclist Optimum Feasible Intersection Designs		New
8/28/2023	Traffic Systems - Memorandums of Understanding - Quick Clearance		New
8/11/2023	Work Zone - Traffic Control Certification Requirements During Emergency Declarations		New
8/7/2023	Traffic Services Legal Guide Topics	Traffic Services Legal Guide Topics	New
8/1/2023	Traffic Systems - TSMO Strategic Plan	Traffic Systems - TSMO Strategic Plan	New
6/6/2023	Traffic Systems - After Hours Response		New
5/18/2023	Legal Guide		New
4/19/2023	Traffic Systems – Incident Management Assistance Patrol		New
6/28/2022	Painting on State Maintained Roadways		New
6/28/2022	Statues, Monuments, and Works of Art		New
11/29/2021	Traffic Systems – Integrated Corridor Management (ICM)		New
11/29/2021	Traffic Systems – Planning for Operations		New
11/23/2021	Traffic Systems – Incident Management Manual		New
11/2/2021	NCDOT Roadway Design Manual	NCDOT Roadway Design Manual	New
9/27/2021	Speed Limit - Historical Reference		New
9/10/2021	Community and Crossroads Signing		New
7/19/2021	Alternative Fuel		New
4/15/2021	Congestion Management - Intersection and Interchange Configuration Guidance		New
3/2/2021	Motor Fleet Management		New
9/9/2020	Digital Sign Printing		New
7/7/2020	Complete Streets Guidance		New
6/30/2020	Telephone - Public Telephone Signing		New
4/27/2020	Four-Lane Divided / Five-Lane Research Project		New
4/15/2020	Congestion Management - FREEVAL NC		New
4/9/2020	Correspondence Guidelines		Updated
4/7/2020	Congestion Management - SaFID Chart		New
1/27/2020	Illegal to Pass Center Turn Lane		New
8/28/2019	Partnerships with Private Developers		New
5/2/2019	Art on the Right of Way Policy		New
4/2/2019	Bicycle Route Designation Guidelines		New
3/18/2019	Congestion Management - HCS_Synchro_Sidra		New
3/18/2019	Congestion Management - Transmodeler		New
3/18/2019	Congestion Management - Traffic Impact Analysis		New
3/18/2019	Congestion Management - Utilities		New
3/15/2019	Congestion Management - O-D Matrix Development		New
3/7/2019	Signs - Sponsorship Signing		New
2/6/2019	TEPPL Topic Development		New
10/4/2018	Decorative Crosswalks		New
11/22/2017	Signs - National Championship Signing for Higher Education		New
9/26/2017	Experience Rate Modifier (ERM)		New
7/12/2017	Signs - Marine Highway Signing		New
3/31/2017	Traffic Signals - System Timing		New
2/16/2017	Historic Markers, Landmarks, and Locations	Added Memorandum	Updated
2/7/2017	Bus Stop Encroachment Guidelines	New Topic	New
11/16/2016	Unmuffled Engine Compression Brakes Signing		New
10/18/2016	Study of State Parks and Trail Signage		New
12/11/2014	Agricultural Tourism Signing		Updated

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