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Bureau of Highway Design
Air Rail Highway Bike/Ped Public Transit
Please note that some of the files listed below are extremely large and may take several hours to download depending on your Internet connection.
Detail Sheets
Description PDF DGN Approval Date
Index of Sheets/General Notes pdf
dgn March 4, 2009
Standard Symbol Sheets pdf
dgn March 9, 2009
Preferred Platform for the Energy Absorbing Guardrail Terminal pdf dgn June 7, 2005
Alternative Platform for the Energy Absorbing Guardrail Terminal pdf dgn June 7, 2005
Guidance For Guardrail Design Applications pdf    
Guardrail Terminal Section - E2 pdf dgn March 1, 2006
Guardrail Terminal Section - E2/E2 Mod Hardware Detail pdf dgn March 1, 2006
Guardrail Terminal Section - E2 Modified 30 mph Design pdf dgn March 1, 2006
Guardrail Terminal Section - E2 Modified 40 mph Design pdf dgn March 1, 2006
Guardrail Terminal Section - E2 Modified 45 mph Design pdf dgn March 1, 2006
Precast Concrete Barrier 42" F-Shape (Double Faced) pdf dgn February 4, 2009
Transition F-Shape Barrier pdf dgn February 4, 2009
Transition F-Shape Barrier and Guardrail (Wood) pdf dgn February 4, 2009
Transition F-Shape Barrier and Guardrail (Steel) pdf dgn February 4, 2009
Single Slope Barrier pdf dgn February 4, 2009
Transition Single Slope Concrete Barrier, Precast pdf dgn February 4, 2009
Transition Single Slope Concrete Barrier and Guardrail (Wood) pdf dgn February 4, 2009
Transition Single Slope Concrete Barrier and Guardrail (Steel) pdf dgn February 4, 2009




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

copyright 2009. State of New Hampshire