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Air Rail Highway Bike/Ped Public Transit
Project Development > Highway Design > Highway Design Manual Vol. 2 – Chapter 2

The chapters of Volume 2 of this manual are provided for use as “DRAFT” until such time as the Federal Highway Administration has provided official Approval/Concurrence.

Chapter 2 -Sample Layouts (DRAFT)      
Description PDF DGN Revision Date
ACCELERATION LANE WITH CURBED AND UNCURBED RAMP (DM-SAM-1) pdf dgn 8/22/2019
DECELERATION LANE WITH CURBED AND UNCURBED RAMP (DM-SAM-2) pdf dgn 8/22/2019
TREATMENT FOR WEAVING SECTIONS (DM-SAM-3) pdf dgn 8/22/2019
RAMP ENTRANCE TERMINALS (DM-SAM-4) pdf dgn 8/22/2019
RAMP EXIT TERMINALS (DM-SAM-5) pdf dgn 8/22/2019
LANE USE TREATMENT BETWEEN RAMPS OR STREETS (DM-SAM-6) pdf dgn 8/22/2019
MAJOR "T" TYPE CHANNELIZED INTERSECTION WITH FREE RIGHT TURNS (DM-SAM-7) pdf dgn 8/22/2019
MAJOR "T" TYPE CHANNELIZED INTERSECTION (DM-SAM-8) pdf dgn 8/22/2019
RURAL ROUTE JUNCTION (DM-SAM-9) pdf dgn 8/22/2019
"T" INTERSECTION S.U. & WB-62 DESIGN (DM-SAM-10) pdf dgn 8/22/2019
"T" INTERSECTION WITH ISLAND SU & WB-62 DESIGN (DM-SAM-11) pdf dgn 8/22/2019
SCHEMATICS FOR INTERSECTION WIDENING (DM-SAM-12) pdf dgn 8/22/2019
LEFT TURN LANE WITH MEDIAN ISLANDS (DM-SAM-13) pdf dgn 8/22/2019
LEFT TURN LANE CURVE - TANGENT ROADWAY WITH MEDIAN ISLANDS (DM-SAM-14) pdf dgn 8/22/2019
LEFT TURN LANE TANGENT - CURVE ROADWAY WITH MEDIAN ISLANDS (DM-SAM-15) pdf dgn 8/22/2019
LEFT TURN LANE TANGENT - CURVE - TANGENT ROADWAY WITH MEDIAN ISLANDS (DM-SAM-16) pdf dgn 8/22/2019
URBAN STREETS AND MAJOR URBAN STREETS (WITH MEDIANS) (DM-SAM-17) pdf dgn 8/22/2019
TURN-AROUNDS (DM-SAM-18) pdf dgn 8/22/2019
SINGLE LANE ROUNDABOUT (DM-SAM-19) pdf dgn 8/22/2019




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