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Air Rail Highway Bike/Ped Public Transit

Please note that some of the files listed below are large and may take several minutes to download depending on your Internet connection.

Highway Details | Traffic Details

Highway Design Detail Sheets
MicroStation Version V8i CONNECT
Description PDF DGN Revision Date PDF DGN Revision Date
Index of Sheets and General Notes pdf
dgn 09/01/2016 pdf dgn 02/25/2022
Standard Symbol Sheets pdf
dgn 09/01/2016 pdf dgn 02/25/2022
Erosion Control Strategies and Stabilization Matrix pdf dgn 12/21/2015 pdf dgn 02/25/2022
  EC Procedures pdf   12/06/2012      
EC Plan Checklist pdf   11/30/2012      
Sidewalk Curb Ramp Details pdf dgn 07/02/2018      
  Detectable Warning Device (DWD) Decision Making Flowchart pdf   06/20/2018      
  ADA Technical Infeasibility Form 18 (exce)l     06/20/2018      
Lane Closure: Two Lane Roadway with Low Volumes (TC-5) pdf dgn 03/16/2017      
Driveway Details pdf dgn 06/04/2012 pdf dgn 02/25/2022
Curved Guardrail with CRT Posts pdf dgn 06/04/2012      
Reset Block & Rail (Wood Post & Wood Block-Out) pdf dgn 06/04/2012      
Guidance For Guardrail Design Applications pdf   11/11/2019      
Terminal Unit Delineation pdf dgn 12/05/2020 pdf dgn 02/25/2022
TL 3 Tapered EAGRT Platform Details for Guardrail < 2.50' from EP pdf dgn 01/22/2019 pdf dgn 02/25/2022
TL 2 Tapered EAGRT Platform Details for Guardrail < 2.50' from EP pdf dgn 01/22/2019 pdf dgn 02/25/2022
TL 3 Parallel EAGRT Platform Details for Guardrail ≥ 2.50' from EP pdf dgn 01/22/2019 pdf dgn 02/25/2022
TL 2 Parallel EAGRT Platform Details for Guardrail ≥ 2.50' from EP pdf dgn 01/22/2019 pdf dgn 02/25/2022
TL 2 - 25' EAGRT Platform Details pdf dgn 01/22/2019 pdf dgn 02/25/2022
Mid-Splice W-Beam Guardrail Stiffening Detail pdf dgn 02/25/2015      
31" Beam Guardrail Standard Section-Steel Posts & Hardware Details Now GR-1
Guardrail Terminal Section - E2 Now GR-5
Guardrail Terminal Section - E2/E2 Mod Hardware Detail Now GR-6
Guardrail Terminal Section - E2 Modified 30 mph Design Now GR-7
Guardrail Terminal Section - E2 Modified 40 mph Design Now GR-8
Guardrail Terminal Section - E2 Modified 45 mph Design Now GR-9
Precast Concrete Barrier 42" F-Shape (Double Faced) Now GR-15
Transition F-Shape Barrier Now GR-16
Transition F-Shape Barrier and Guardrail (Wood) Now GR-17
Transition F-Shape Barrier and Guardrail (Steel) Now GR-18
Single Slope Barrier Now GR-19
Transition Single Slope Concrete Barrier, Precast Now GR-20
Transition Single Slope Concrete Barrier and Guardrail (Wood) Now GR-21
Transition Single Slope Concrete Barrier and Guardrail (Steel) Now GR-22
Traffic Detail Sheets
MicroStation Version V8i CONNECT
Description PDF DGN Revision Date PDF DGN Revision Date
Intersection Details pdf dgn 1/10/2020      
Word and Symbol Lane layout pdf dgn 1/10/2020 pdf dgn 02/25/2022




New Hampshire Department of Transportation
PO Box 483 | 7 Hazen Drive | Concord, NH | 03302-0483
Tel: 603.271-3734 | Fax: 603.271.3914

copyright 2015. State of New Hampshire