About: Baker–Barry Tunnel

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The Baker–Barry Tunnel connects the former military bases Fort Barry and Fort Baker in the Marin Headlands of Marin County, California. The bases are now part of the Golden Gate National Recreation Area. The tunnel is also known as the Bunker Road Tunnel for the road that runs through it, or as the Five-Minute Tunnel because it is only wide enough to accommodate a single reversible lane, opened to traffic at either end for five minute intervals.

Attributes	Values
rdf:type	Thing infrastructure route of transportation wikidata:Q2354973 geo:SpatialThing architectural structure road tunnel
rdfs:label	Baker–Barry Tunnel (en)
rdfs:comment	The Baker–Barry Tunnel connects the former military bases Fort Barry and Fort Baker in the Marin Headlands of Marin County, California. The bases are now part of the Golden Gate National Recreation Area. The tunnel is also known as the Bunker Road Tunnel for the road that runs through it, or as the Five-Minute Tunnel because it is only wide enough to accommodate a single reversible lane, opened to traffic at either end for five minute intervals. (en)
foaf:name	Baker–Barry Tunnel (en)
name	Baker–Barry Tunnel (en)
geo:lat	37.840748 (xsd:float)
geo:long	-122.490448 (xsd:float)
foaf:depiction
dcterms:subject	Roads with a reversible lane Road tunnels in California Sausalito, California Transportation in Marin County, California Tunnels completed in 1918 Tunnels in the San Francisco Bay Area Golden Gate National Recreation Area Transportation buildings and structures in Marin County, California
Wikipage page ID	57064584 (xsd:integer)
Wikipage revision ID	1065503020 (xsd:integer)
Link from a Wikipage to another Wikipage	California Department of Transportation San Francisco Sausalito, California Golden Gate National Recreation Area Light-emitting diode Macadam Stalactites Spall Roads with a reversible lane U.S. Route 101 in California Road tunnels in California Exploratorium Fort Baker Fort Barry Forts Baker, Barry, and Cronkhite Sausalito, California Transportation in Marin County, California Tunnels completed in 1918 Tunnels in the San Francisco Bay Area Golden Gate National Recreation Area Cobblestone Reversible lane Transportation buildings and structures in Marin County, California Marin County, California Works Progress Administration Marin Headlands Paul Bunker Serpentite
Link from a Wikipage to an external page	https://www.pnnl.gov/main/publications/external/technical_reports/PNNL-20515.pdf https://www.loc.gov/pictures/item/ca1764/
sameAs	Baker–Barry Tunnel Baker–Barry Tunnel
shape-outline	#fff (en)
startwork	1917 (xsd:integer)
dbp:wikiPageUsesTemplate	dbt:Bay_Area_tunnels dbt:Authority_control dbt:Blockquote dbt:Cite_report dbt:Cite_web dbt:Commons_category dbt:Convert dbt:Coord dbt:Infobox_NRHP dbt:OSM_Location_map dbt:Pad dbt:Reflist dbt:USD dbt:Infobox_tunnel
thumbnail	wiki-commons:Special:FilePath/Baker-Barry_5.25.14_(14736892302).jpg?width=300
mark-size	18 (xsd:integer)
shape-color	#00f (en)
traffic	600 (xsd:integer)
caption	Baker-Barry Tunnel connecting Fort Baker with Fort Barry near Sausalito: # Western Portal # Eastern Portal (en) Eastern end and portal (en)
extra	0001-12-12 (xsd:gMonthDay)
float	right (en)
opened	1918 (xsd:integer)
rebuilt	1925193719942017 (xsd:decimal)
shape	n-square (en)
source	0001-05-06 (xsd:gMonthDay)
status	Active (en)
text	There is a road between the two forts now, but it is so poor as to be almost worthless in peaceful times and would be pitifully inadequate if a foe's fleet were outside the harbor. The present road is four and one half miles long, its grades are too steep for heavy hauling and the bluffs around which it twists adds to its perils. (en) This plan calls for a tunnel 2000 feet long and 8,380 feet of new roadway. It would furnish a direct highway between the two forts with no difficult grades and as nearly unexposed to hostile fire as possible. The road would have great value in peaceful times, as it would eliminate the troubles of landing cargoes from vessels at Fort Barry; but its strategic value in time of war would be far greater. (en)
zoom	14 (xsd:integer)
georss:point	37.840748 -122.490448
has abstract	The Baker–Barry Tunnel connects the former military bases Fort Barry and Fort Baker in the Marin Headlands of Marin County, California. The bases are now part of the Golden Gate National Recreation Area. The tunnel is also known as the Bunker Road Tunnel for the road that runs through it, or as the Five-Minute Tunnel because it is only wide enough to accommodate a single reversible lane, opened to traffic at either end for five minute intervals. (en)
fullscreen-option	1 (xsd:integer)
lanes	1 (xsd:integer)
scalemark	20 (xsd:integer)
number of lanes	1 (xsd:nonNegativeInteger)
prov:wasDerivedFrom	wikipedia-en:Baker–Barry_Tunnel?oldid=1065503020&ns=0
length (km)	0.7202424 (kilometre)
page length (characters) of wiki page	15792 (xsd:nonNegativeInteger)
length (μ)	720.242400 (xsd:double)
rebuilding year	1925-01-01 (xsd:gYear)

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