gptkbp:instance_of
|
gptkb:cave
|
gptkbp:challenges
|
overcoming water pressure
|
gptkbp:community_impact
|
improved connectivity
|
gptkbp:community_outreach
|
conducted during planning phases
|
gptkbp:connects
|
gptkb:I-895
|
gptkbp:constructed_in
|
gptkb:Johns_Hopkins_University
|
gptkbp:construction_cost
|
$300 million
|
gptkbp:construction_material
|
reinforced concrete
|
gptkbp:construction_method
|
cut-and-cover
|
gptkbp:construction_started
|
gptkb:1978
7 years
planned and executed carefully
|
gptkbp:crosses
|
gptkb:Patapsco_River
|
gptkbp:design
|
immersed tube
|
gptkbp:design_features
|
waterproofing systems
|
gptkbp:designed_by
|
gptkb:Hatch_Mott_Mac_Donald
|
gptkbp:emergency_exits
|
available
|
gptkbp:emergency_services
|
available
conducted regularly.
2 lanes in each direction
improved due to design
|
gptkbp:enforces
|
monitored by authorities
prioritized in operations
|
gptkbp:environmental_concerns
|
complied with during construction
|
gptkbp:environmental_impact
|
studied before construction
|
gptkbp:features
|
toll booths
|
gptkbp:funding
|
state and federal government
|
gptkbp:future_plans
|
expansion considerations
|
gptkbp:geographical_feature
|
gptkb:cave
|
gptkbp:has_public_transport
|
limited
|
gptkbp:has_toll
|
yes
varies by vehicle type
|
gptkbp:historical_achievement
|
celebrated during anniversaries
|
gptkbp:historical_significance
|
critical for trade
important engineering project
|
https://www.w3.org/2000/01/rdf-schema#label
|
Baltimore Harbor Tunnel
|
gptkbp:innovation
|
used in design
|
gptkbp:length
|
1.5 miles
|
gptkbp:length_under_water
|
approximately 1 mile
|
gptkbp:local_economy
|
positive
|
gptkbp:local_government
|
supports maintenance efforts
|
gptkbp:location
|
gptkb:Baltimore,_Maryland
|
gptkbp:maintenance
|
gptkb:Maryland_Transportation_Authority
|
gptkbp:open_to_public
|
November 1985
|
gptkbp:opened
|
gptkb:1985
|
gptkbp:owner
|
gptkb:Maryland_Transportation_Authority
|
gptkbp:part_of
|
Baltimore's transportation infrastructure
I-895 corridor
|
gptkbp:passenger_traffic
|
vehicular traffic
approximately 30,000 vehicles per day
utilizes electronic toll collection
analyzed regularly
monitored using technology
|
gptkbp:project
|
gptkb:Fort_Mc_Henry_Tunnel
|
gptkbp:provides_access_to
|
gptkb:Baltimore_City
|
gptkbp:public_access
|
24/7
|
gptkbp:public_perception
|
generally positive
|
gptkbp:renovation
|
ongoing maintenance projects
|
gptkbp:safety_features
|
ventilation systems
|
gptkbp:serves
|
gptkb:Baltimore_metropolitan_area
|
gptkbp:significance
|
reduces traffic congestion
|
gptkbp:type
|
subaqueous tunnel
|
gptkbp:bfsParent
|
gptkb:Interstate_83
|
gptkbp:bfsLayer
|
6
|