TY - BOOK ED - American Association of State Highway and Transportation Officials. ED - National Highway Institute (U.S.) ED - Parsons, Brinckerhoff, Quade & Douglas. TI - Technical manual for design and construction of road tunnels--civil elements SN - 9781560514572 (pbk.) AV - TA805 .T43 2010 U1 - 624.193 AAS PY - 2010/// CY - Washington, D.C. PB - American Association of State Highway and Transportation Officials KW - Tunnels KW - Design and construction KW - Tunneling N1 - "September 2010"--Cover; "Pub Code: DCRT-1"--P. [4] of cover; Includes bibliographical references N2 - "The increased use of underground space for transportation systems and the increasing complexity and constraints of constructing and maintaining above ground transportation infrastructure have prompted the need to develop this technical manual. This FHWA manual is intended to be a single-source technical manual providing guidelines for planning, design, construction and rehabilitation of road tunnels, and encompasses various types of road tunnels"--P. ix ER -