1. MnDOT Sample Plan - Jerry Kotzenmacher MnDOT
2015 Traffic Signals 101
MnDOT Sample Plan - Jerry Kotzenmacher
MnDOT

2. Without a plan!

3. Traffic Signal Plans Why do we need a plan?
Building the traffic signal
Bidding
Tort Claims
Maintenance
Locates

4. Title Sheet - front page
The title sheet is required for all traffic signal plans. It includes information such as the title block, project location, governing specifications, etc.

5. Title Sheet - front page
Governing Specs and Index of Sheets
This defines the governing specifications for the project, the project funding and the index of the sheets contained within the plan set

6. Title Sheet - front page
Signature Block
The Designer should consult with the MnDOT project manager to ensure that the appropriate signature block is used

7. Title Sheet - front page
Index Map
The index map is used to identify the location of the project(s)

8. Title Sheet - front page
Standard Plates Summary
This identifies the list of Standard Plates that are applicable to this project

9. Title Sheet - front page
Plan Symbols & Abbreviations

10. Title Sheet - page 2
Quantity Sheet

11. ALL SHEETS
Title Block
The title block is required on all sheets. For the intersection layout sheet the signal system ID, meter address and TE number should be included

12. Page 3 - Pole Mount Detail
Details

13. Page 4- APS P. B. Station
Details
Details

14. Page 5 - Equipment Pad
Details
Details

15. Controller & Service Cabinet

16. Page 6 -Pole Wiring Connector
Details
Details

17. Page 7 - Fiber Optic Schematic
Details
Details

18. Page 8 - Ped Curb Ramp
Details
Details

19. Page 18 - Pavement Markings & Signs
Details

20. Page 19 - Utilities Layout

21. Not part of your plan
Details

22. Page 14 - Signal Layout Signal Face Chart Scale Loop Detector Chart
Conduit
Wires
4” Conduit
2-12/C/#14
1-6/C#14
2-4/C#14
*1-3/C#14
1/3/C#14 (LUM)
2-2/C#14
1-1/C #6 Ins. Gr
Loop
Detectors
Road Lines
conduit
Construction
Notes
Ped diagram
and
Phasing

23. Page 14– Intersection Layout
Typical Controller Phasing Diagram
8 phase NEMA Controller

24. Controller Operations
Phasing
Dual-ring and Concurrent group Controllers

25. Page 15 - Signal Layout
Match line
Pole Notes
Advance Detectors

26. Page 14 & 15 – Intersection Layout
Equipment Pad and SOP Notes
Label, in a circle, the controller cabinet or equipment pad “A” and the source of power “B”

27. Page 14 – Intersection Layout Mast Arm & Pole _Symbols
Signal Head
Indication
Signal Head
Number
Emergency Vehicle
Pre-emption
Luminaire
Mast Arm
Signal Pole Base

28. Page 14 – Intersection Layout
Pole 4
Mast arm is 0 degrees
Signal Pole Base

29. Picture of Pole 4

30. Page 14 – Intersection Layout
Pedestrian Signal
Face
Pedestrian Push
Button

31. Page 14 – Intersection Layout
Signal Faces Table

32. Page 14 – Intersection Layout
Loop Detectors Table

33. Page 14 – Intersection Layout
Handhole Labeling
Number handholes clockwise with respect to the controller cabinet with Number 1 being adjacent to or near the controller cabinet. It is not necessary to use H.H.
Handhole 1
Handhole 17
Handhole 16

34. Page 16 – Field Wire Diagram
Pole 1
Ped station
PB2-1
12/c#14 wire
Handhole 14
w/loop Detectors
Controller
cabinet
Handhole 17
Ground connect
Service cabinet
Notes

35. Page 16 – Field Wire Diagram (2nd Sheet of Wire Diagram)
Controller
cabinet
Heads 5-1
And 2-3
Cable 58
All cables
Have numbers
Grounded
Ins. GR.
Cable 58
Ground rod
Heads 5-1
And 2-3

36. Wiring Diagram
Field Wiring

37. Wire Diagram to Layout Cross reference
page page 14

38. Wiring Notes
Field Wiring

39. Interconnect layout – NOT PART OF YOUR PLAN
Traffic Control Interconnect Layout
1:100 Scale
Include a North Arrow
Include a Scale Graphic
Include General Notes
Clearly Show Guardrail

40. Other Material Reference
MnDOT Manuals
Signal Design Manual
Roadway Lighting Manual
Signal Timing Manual
Traffic Engineering Manual
MN-MUTCD

41. Questions?