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INDOT: Design Memoranda

Indiana Department of Transportation

INDOT > Doing Business with INDOT > Standards & Specifications > Active Design MemorandaActive Design Memoranda


All revisions to the Design Manual described in these memos have been incorporated into the current Indiana Design Manual.

Memos appear on this page for a period of 1 year following the date of the memo. After 1 year, they are moved to the Archived Design Memoranda page.

Memos that include a recurring special provision (RSP) or recurring plan detail (RPD) remain on this page as long as the associated RSP/RPD remains active.

Superseded memos are archived immediately.

This Page Last Updated: 12/05/2017

Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
17-28 12/04/17

Lettings on or after March 1, 2018

None Plant Growth Layer   Memo 17-28  
17-27 12/04/17 Immediately None Bridge-Length Culverts   Memo 17-27  
17-26 12/04/17

Lettings on or after July 1, 2018

17-4.02(01) Subgrade Treatment   Memo 17-26  
17-25 11/06/17 N/A

None

Bridge Load Rating for Design-Build Projects   Memo 17-25 Sections 14-1.02, 14-2.04(09), 14-2.05, 14-2.05(04)
17-24 10/02/17

N/A

None

Curb Ramp Design Reminders   Memo 17-24  
17-23 10/02/17

Stage 2 Submission on or after January 1, 2018

None

AASHTO LRFD Bridge Design Specifications   Memo 17-23  
17-22 10/02/17

Start Survey September 1, 2017

26-1.0

Survey SS4 Deliverables   Memo 17-22 Section 26-1.0
17-21 unassigned            
17-20 09/05/17

Immediately

None

Complex Bridge Design Requirements   Advisory  
17-19 09/05/17 Select Projects with Lettings on or after January 1, 2018

None

Next Level Signs   Advisory Signs
17-18 08/07/17

Lettings on or after
September 1, 2017

None

Use of Geotextile in Geotechnical Applications   Advisory  
17-17 08/07/17 NHS Routes: Letting on or after January 1, 2018
Non-NHS Routes: Letting on or after July 1, 2018

None

Manual for Assessing Safety Hardware (MASH) and New
W-beam Guardrail and Guardrail End Treatment Standards
  Advisory Pay Items Associated with MGS W-Beam Guardrail and Related Systems
17-16 08/07/17

Lettings on or after
September 1, 2017

404-2.02(02), 404-2.02(03), 404-2.03(02), Figures 404-2B and 404-2C

Permanent Metal Forms   Advisory Sections 404-2.02(02), 404-2.02(03), 404-2.03(02), Figures 404-2B and 404-2C
17-15 07/07/17 Lettings on or after
September 1, 2017

None

Detour Signs   Advisory  
17-14 07/07/17

Lettings on or after
September 1, 2017

502-1.03(08)

Fluorescent Yellow Sheeting for Warning Signs   Advisory  
17-13 06/12/17 Immediately

None

HEC-RAS 5 and IDNR Construction in a Floodway Permit Application Guidance   Advisory  
17-12 05/30/17

Immediately

Sections 14-2.04(06) and 14-2.04(09)

Foundation Review Form Submittal   Advisory  
17-11 05/16/17 Lettings on or after
September 1, 2017

None

INDOT 2017 Standard Drawings   Advisory  
17-10 05/11/17

NHS Routes: Letting on or after January 1, 2018
Non-NHS Routes: Letting on or after July 1, 2018

None

Manual for Assessing Safety Hardware (MASH) and New W-beam Guardrail and Guardrail End Treatment Standards Policy   Midwest Guardrail System Assembly Figures, AASHTO/FHWA Joint Implementation Agreegement for MASH Memo
17-09 05/01/17
Rev. 05/11/17
Contracts on or after
September 1, 2017

Section 502-1.01(05)

Panel Sign Wide Flange Post Selection and Plan Detailing   Advisory E 802-SNGP
17-08 04/21/17

Contracts on or after
March 7,2017

None

2017 Interstate Highways Congestions Policy (IHCP) Policy   Interstate Highways Congestion Policy Exception Preparer Training
17-07 04/12/17 Immediately

Sections 203-2.02(02), 203-2.02(11), 203-2.02(14), 203-3.03(02), 203-4.04(03), 203-4.04(07), 203-4.04(09), and 203-4.04(16), and Figures 203-2A and 203-2B

Hydraulic Design for Small Structures, Bridges, and Inlets Policy    
17-06 04/06/17 Immediately

None

Bridge Load Rating Requests for Design Submittals   Advisory  
17-05 04/05/17 Immediately

None

Exceptions to Bridge Load Rating and Posting Policy Policy    
17-04 03/16/17 Stage 3 on or after May 2017

None

Culvert Asset ID Number   Advisory Culvert Asset ID Numbering System
17-03 03/01/17 As Noted

Sections 402-6.02(02), 409-2.04(02), 409-3.03, Figures 409-2G and 410-5(0)C (New)

Mechanically Stabilized Earth (MSE) Walls   Advisory Sections 402-6.02(02), 409-2.04(02), 409-3.03, Figures 409-2G and 410-5(0)C (New)
17-02 02/02/17 Immediately

None

Rural Interstate Shoulder Width Policy    
17-01 01/10/17 Immediately

None

Final Tracings Checklist   Advisory Final Tracings Checklist
Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
16-37 12/07/16 Immediately Section 14-1.02(05), item 2d.(1) Changes to Final Tracings after Advertisement   Advisory

Section 14-1.02(05)

16-36 11/29/16 Lettings on or after January 1, 2017

Section 51-1.06, Figures 51-1P thru 51-1T and 502-3.03(05) item 4

Pedestrian Pushbutton Assemblies Plan Details Required for New and Relocated Assemblies   Advisory

Section 51-1.06, Figures 51-1P thru 51-1T, 502-3.03(05) item 4

16-35 11/21/16 Immediately

None

Undistributed Quantities   Advisory

 

16-34 09/22/16 Immediately

None

Culvert Design Using HY-8   Advisory

HY-8 version 7.2

16-33 09/19/16 Immediately

Sections 45-1.06(02), 51-1.03(02), 402-6.02(01), Figure 402-6P and 404-4D

Sidewalk Width on Bridge   Advisory

Sections 45-1.06(02), 51-1.03(02), 402-6.02(01), Figures 402-6P and 404-4D

16-32 09/19/16 Immediately

Section 409-2.04(02), Figures 409-2C and 409-2D

Integral End Bent Depth   Advisory

Section 409-2.04(02), Figure 409-2C and 409-2D

16-31 09/15/16 Immediately

Section 412-3.05(05)

Fiber Reinforced Polymer Composite Materials   Advisory

Section 412-3.05(05)

16-30 08/19/16 Immediately

None

Quantity Calculations for Slip Lining of Existing Pipe   Advisory

 

16-29 07/20/16 Immediately

None

Final Tracings Checklist   Advisory

Final Tracings Checklist

16-28 07/14/16 Immediately

Sections 5-2.02 and 56-3.01

Traffic Forecasting and Crash Data   Advisory

Sections 5-2.02 and 56-3.01

16-27 07/14/16 Lettings on or after January 1, 2017

Sections 205-2.0 thru 205-5.0 and Figure 205-1A

Temporary Erosion and Sediment Control Plan Development   Advisory

Sections 205-2.0 thru 205-5.0, Figure 205-1A

16-26 07/01/16 Lettings on or after July 1, 2016

Figure 304-18A

Underdrain Outlet Protectors   Advisory

Figure 304-18A

16-25 06/29/16 Lettings on or after October 1, 2016

Figure 304-15A and 304-15B

HMA Pavements - ESAL Categories and HMA Type A   Advisory

Pay Item List, Figure 304-15A and 304-15B

16-24 06/02/16 Immediately

None

PS&E Checklist for Bundled Projects   Advisory

PS&E Checklist Bundling Information and Instructions

16-23 06/02/16 Immediately

Section 51-7.09 and Figure 51-7 O

Pedestrian Crossing Treatments   Advisory

Section 51-7.09, Figure 51-7 O

16-22 05/26/16 Lettings on or after September 1, 2016

Sections 17-4.10(01) thru 17-4.10(04)

Seeding Application Rates   Advisory

Sections 17-4.10(01) thru 17-4.10(04)

16-21 05/20/16 Hydraulic Submittals on or after July 1, 2016

203-2.02(13) and Figure 203-2F

Semi-Smooth Pipe Interior Designation   Advisory

Pipe Type and Height of Cover Table

16-20 05/13/16 As Noted

None

Final Tracings Checklist   Advisory

Final Tracings Checklist, Bridge Search Data Form

16-19 05/13/16 Immediately

Section 203-2.02(02)

In-Kind Culvert Replacement Policy Policy  

Section 203-2.02(02)

16-18 04/18/16 Immediately

Section 47-1.05, Figure 47-1A

Railroad-Highway Crossing Warning Devices Policy  

Policy for Railroad-Highway Grade Crossing Warning Devices, Section 47-1.05, Figure 47-1A

16-17 04/15/16 Immediately

Sections 45-2.01, 45-2.02(03), 49-3.08, 49-4.01(04), 49-6.04(01)

Median Barrier   Advisory

 

16-16 04/11/16 As Noted

Sections 17-1.05, 17-4.06, 17-4.09 thru 17-4.10(03), 17-5.09, 17-6.0, Figures 17-5G thru -5G(02), 17-4D, 17-5I, 17-5J

Quantities   Advisory

Section 17-1.05, Section 17-4.06, Sections 17-4.09 thru 17-4.10(03), Section 17-5.09, Section 17-6.0, Figures 17-5G thru -5G(02), 17-4D, 17-5I, 17-5J

16-15 04/08/16 Letting on or after September 1, 2016

None

INDOT 2016 Standard Drawings   Advisory

 

16-14 04/07/16 Immediately

50-3.0

Value Engineering Policy  

Section 50-3.0

16-13 03/24/16 Immediately

Chapter 72 and Section 14-2.05

Indiana Design Manual Rewrite   Advisory

Chapter 412 (prev. Chapter 72), Section 14-2.05

16-12 03/21/16 As Noted

51-1.0 through 51-11.0, Figures 51-1A through 51-1 O, 40-8.04(01), 45-1.06(02), 46-11.02(04) and 46-11.02(07)

Curb Ramps and Sidewalks   Advisory

IDM Chapter 51, Sections 40-8.04(01), 45-1.06(02), 46-11.02(04), and 46-11.02(07)

16-11 03/17/16
Rev. 09/12/16
Letting on or after September 1, 2016

None

Temporary Erosion and Sediment Control   Advisory

PSE Checklist
Environmental Consultation Form
Contract Preperation Documents

16-10 03/16/16 Immediately None NEPA Compliance and Waterway Permitting for Bundled Projects   Advisory

INDOT Environmental Memo

16-09 03/16/16 Letting on or after September 1, 2016

None

Bridge Deck Drains   Advisory

 

16-08 03/11/16 Immediately 14-1.02(08) Shop Drawing Review   Advisory

Section 14-1.02(08)

16-07 03/11/16
Rev. 11/21/16
Immediately

14-1.02(02), 14-1.02(04) through 14-1.02(07), and 14-3.03

Plan Sheet Size and Changes to Final Tracings   Advisory

Sections 14-1.02(02), 14-1.02(04) through 14-1.02(07), and 14-3.03; Final Tracings Checklist

16-06 03/08/16 Letting on or after September 1, 2016 83-5.0 Portable Signals   Advisory

Section 83-5.0

16-05 03/08/16 Letting on or after September 1, 2016

None

Coordination of Bridge Inspection During Construction   Advisory

BIAS (InspectTech) Example

16-04 01/28/16 Projects With Unresolved Utility Conflicts None Designer Summary of Required Utility Relocation - Project Design and Utility Summary   Advisory

Project Design and Utility Summary Table

16-03 01/12/16 Immediately

504-4.02(03) through 502-4.07, and Figures 502-4D, 502-4P, and 502-4S

Lighting Design Procedure   Advisory

Section 502-4.02(03) through 502-4.07, Figures 502-4D, 502-4P, 502-4S, Editable Documents 502-04-02 and 502-04-03

16-02 01/08/16 Immediately 502-3.03(02) through 502-3.04(05) Accessible Pedestrian Signals (APS)   Advisory

Section 502-3.03(02) through 502-3.04(05)

16-01 01/05/16 Immediately None Structure Number in ERMS, SPMS, and on Plans   Advisory

Example

Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
15-20 11/04/15 Stage 3 Submission on or after November 4, 2015 51-1.04 through 51-1.08 Curb Ramp Plan Details   Advisory

Section 51-1.04 through 51-1.08

15-19 09/04/15 Letting on or after January 1, 2015 502-2.01(03) and Figure 502-2C Durable Pavement Markings Used for Longitudinal Lines   Advisory Section 502-2.01(03), Figure 502-2C
15-18 08/17/15 Immediately None Performance Evaluation Guidelines   Advisory


15-17 08/10/15 Immediately None Contract Questions Prior to Letting   Advisory
15-16 07/20/15 Immediately None ERMS File Naming Conventions and Email Notification   Advisory

Example Email,
Project File Naming Conventions

15-15 07/09/15
Rev. 07/25/17
Letting on or after September 1, 2015 82-3.05 Worksite Increased-Penalty Sign   Advisory
15-14 07/07/15 Immediately None Geotechnical Information for MSE Walls   Advisory  
15-13 06/10/15 Immediately None Waterway Permits Manual   Advisory
15-12 05/22/15 Immediately None Design Resources   Advisory  
15-11 05/01/15 Letting on or after May 1, 2015 None Anchored Temporary Concrete Barrier   Advisory
15-09 04/13/15 Immediately None INDOT Storm Water Management Field Guide   Advisory
15-08 04/07/15 Letting on or after August 5, 2015 None Title Sheet Signatures for Local Public Agency (LPA) Projects   Advisory  
15-02 02/06/15 Letting on or after July 1, 2015 Figure 304-21X Safety Edge   Advisory Figure 304-21X
Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
14-10 07/01/14 Immediately 40-8.01, 40-8.04(01), Chapter 53, 55-3.0, 55-4.01(03), Figures 40-8B, 53-1 through 53-9, 55-3A through 55-3H Practical Design Policy    
14-05 04/02/14 Immediately None Policy and Procedure for Determination of Technical Infeasibility Policy   Policy and Procedure for Determination of Technical Infeasibility
Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
13-10 04/15/13 Immediately 51-12.0 Roundabouts   Advisory Roundabout Design Checklist
13-09 04/12/13 Preliminary Field Check on or after June 1, 2013 and as noted Chapters 49 & 55 Small Structure Replacement, Guardrail Runout Length   Advisory RDG Table 5-10(b)
Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
12-21 10/05/12 Stage 2 Submission on or after 12/21/12 409-9.0 Use of AASHTO LRFD Bridge Design Specifications Policy    
Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
11-12 07/08/11 Immediately See memo Metric-Units Plans   Advisory  
11-09 04/05/11 05/11/11, Letting 49-5.01(04) High-Tension Cable-Barrier System (CBS)   Advisory  RSP 627-R-546
RPD 627-R-546d
Number Memo Date Effective Date Affected Design Manual Section Subject PDF Files
Policy Advisory Attachments
05-34 11/9/05 02/15/10 49-4.01(05) Concrete Railings & Moment Slabs at Mechanically Stabilized Earth (MSE) Wall Systems   Advisory 706-R-504 RSP & RPD
03-07 7/02/03 Immed unknown Policy for Context Sensitive Solution Policy    
01-14 12/10/01 Immed unknown Water Main & Sanitary Sewer Construction in Contracts   Advisory