http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Technical manual for design and construction of road tunnels--civil elements
1 online resource (702 unnumbered pages) : illustrations
"Performing organization: Parsons Brinckerhoff, Inc."--Technical report documentation page.
"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 including mined, bored, cut-and-cover, immersed, and jacked box tunnels"--Technical report documentation page.
Sponsored by National Highway Institute, U.S. Department of Transportation DTFH61-06-T-07-001