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456
terms
L band
L/V ratio
Labeling
Labor
Labor agreements
Labor costs
Labor estimates
USE
Labor market
Labor force
Labor law
Labor market
Labor negotiations
Labor productivity
Labor relations
Labor unions
Laboratories
Laboratory animals
Laboratory studies
Laboratory tests
Laborers
Laceration
Lacustrine deposits
Lacustrine soils
Ladar
USE
Laser radar
Lagging (Earthwork)
Lagoons
Lagrangian functions
Lake asphalt
USE
Trinidad asphalt
Lake ice
Lakes
Lamellar tearing
USE
Tearing
Laminar boundary layer flow
USE
Laminar flow
Laminar flow
Laminated glass
USE
Nonshattering glass
Laminated materials
USE
Laminates
Laminated metals
USE
Bimetals
Laminated plastics
Laminated wood
Laminates
Lamps
Land
Land acquisition
USE
Property acquisition
Land areas
Land bridge
Land mines
USE
Mines (Weapons)
Land reclamation
Land subdivision
Land transportation
USE
Ground transportation
Land use
Land use models
Land use planning
Land values
Land vehicles
USE
Ground vehicles
Land water marginal areas
Landfills
Landing
Landing aids
Landing craft
Landing fees
Landing fields
Landing gear
Landing mats
Landing strips
USE
Airstrips
Landlords
Landowners
Landsat satellites
Landscape architecture
Landscape design
Landscape maintenance
Landscaping
Landside capacity
Landside operations (Airports)
Landside operations (Ports)
Landslides
Lane changing
Lane closure
Lane distribution
Lane drops
Lane lines
Lane markings
USE
Lane lines
Lane occupancy
Lane usage
USE
Lane distribution
Lane use control signals
Language
Lanterns
Lap joints
Laplace transforms
Laptop computers
Large automobiles
Large cities
Larvae
Laser beams
Laser beams
Laser doppler velocimeters
Laser materials
Laser radar
Laser velocimeters
Lasers
LASH barges
LASH terminals
Lashing
Latent heat
Lateral acceleration
Lateral control
USE
Automatic steering control
Lateral guidance
USE
Automatic steering control
Lateral placement
Lateral supports
Laterals (Irrigation)
Laterites
Lateritic gravels
Lateritic soils
Latex
Latex asphalt
Latex modified concrete
Lathes
Lattices
Lattices (Mathematics)
Launch vehicles
Launching
Lavatories
USE
Toilet facilities
Law
Law enforcement
Law enforcement and criminal justice personnel
Law enforcement personnel
Law jurisprudence
USE
Jurisprudence and judicial processes
Law of the sea
USE
Maritime law
Law uniformity
Laws
Laws and legislation
Laws of physics
Lay bys
USE
Bus bays
Layer coefficient (Pavements)
Layered soils
Laying (Pipe)
USE
Pipe laying
Laying (Track)
USE
Track laying
Layoffs
Layout
Layover time
LCDs
USE
Liquid crystal displays
Leachate
Leaching
Lead (Metal)
Lead acid batteries
Lead based paint
Lead compounds
Lead free gasoline
USE
Unleaded gasoline
Lead time
Leaded gasoline
Leadership
Leading edges
Leaf springs
Leak tests
Leakage
Lean concrete
Lean fuel mixtures
Learning
Learning (Artificial intelligence)
Leasing
Least overall cost
Least squares method
Leather
Lectures
LEDs
USE
Light emitting diodes
Left turn lanes
Left turn on red
Left turn phase
Left turns
Leg
Legacy airlines
USE
Full service carriers
Legal action
Legal aspects
USE
Legal factors
Legal constraints
Legal documents
Legal drinking age
Legal factors
Legal responsibility
Legal rights
Legibility
Legislation
Legislative support
USE
Legislation
Legumes
Leisure time
Length
Lenses (Geology)
Lenses (Optics)
Less developed countries
USE
Developing countries
Less than carload traffic
Less than truckload traffic
Lettering
Letters (Correspondence)
USE
Correspondence
Levees
Level crossings
USE
Railroad grade crossings
Level of service
Leveling
Levels of government
Leveraged buyouts
Liabilities
Liability
Liability insurance
Libraries
Library operations
License plates
Licenses
Licensing
Lidar
USE
Laser radar
Life cycle analysis
Life cycle costing
Life cycle planning
USE
Life cycle analysis
Life expectancy
Life preservers
Life rafts
Life span
Life styles
Life support systems
Life tests
USE
Performance tests
Lifeboats
Lifelines
Lifesaving
Lifesaving equipment
USE
Rescue equipment
Lift
USE
Aerodynamic lift
Lift bridges
Lift drag ratio
Lift drag ratio
Lift fans
Lift gates (Locks)
Lifting equipment
Lifts (Elevators)
USE
Elevators
Light
Light
Light aircraft
USE
Small aircraft
Light emitting diodes
Light metals
Light rail transit
Light rail transit grade crossings
Light rail vehicles
Light scattering
Light transmission
Light trucks
Light vehicles
Lighter than air craft
Lighterage
Lighthouses
Lighting
Lighting columns
Lighting equipment
Lighting standards
USE
Lighting columns
Lighting systems
Lightning
Lightships
Lightweight aggregates
Lightweight cars
USE
Light vehicles
Lightweight concrete
Lightweight materials
Lignin
Lignite
Lignosulfonate
Lime
USE
Calcium oxide
Lime cement
Lime fly ash
Limerock
USE
Limestone
Limestone
Limestone aggregates
Limestone dust
Limestone fillers
Limestone soils
Liming of soils
Limit analysis
USE
Ultimate load design
Limit design
USE
Ultimate load design
Limited access highways
USE
Expressways
Limnology
Limousines
Line construction
USE
Railroad construction
Line extensions (Rail transit)
Line haul
Line of sight
Linear algebra
Linear control systems
Linear differential equations
Linear elasticity
Linear equations
Linear induction motors
Linear motors
Linear programming
Linear regression
USE
Linear regression analysis
Linear regression analysis
Linear systems
Linearity
Liner shipping
Lines of track
Linings
Link volume
Linked signals
USE
Traffic signal control systems
Links (Networks)
Linseed oil
Liquefaction
Liquefied gases
Liquefied natural gas
Liquefied petroleum gas
Liquid asphalt
Liquid bulk cargo
Liquid bulk carriers
USE
Tankers
Liquid cargo handling
Liquid chromatography
Liquid crystal displays
Liquid fuels
Liquid hydrogen
Liquid limits
Liquid nitrogen
Liquids
Literature reviews
Literature surveys
USE
Literature reviews
Lithium
Lithium alloys
Lithium batteries
Lithium chloride
Lithium compounds
Lithium sulfur batteries
Lithologic composition
Litigation
Litter
Littoral
Live loads
Liver
Livestock
Living conditions
Living things
Living things by characteristics
Living things by region
Living things detrimental to human activity
LNG
USE
Liquefied natural gas
LNG pipelines
LNG plants
LNG terminals
Load bearing capacity
USE
Bearing capacity
Load cells
Load cells
Load distribution
USE
Load transfer
Load factor
Load limits
Load rating
USE
Load factor
Load shifting
Load tests
Load transfer
Loaders
Loading (Mechanical engineering)
USE
Mechanical loads
Loading and unloading
Loading facilities
Loading tests
USE
Load tests
Loadometers
Loads
Loam
Loans
Lobbying
Local area networks
Local government
Local government agencies
Local materials
Local participation
USE
Public participation
Local service airlines
Local transit
USE
Public transit
Local transportation
Locating
USE
Location
Location
Location of industries
USE
Industrial location
Location theory
Lock chambers
Lock gates
Locking
USE
Canal lock operations
Locks (Fasteners)
Locks (Waterways)
Locomotive assignments
USE
Locomotive utilization
Locomotive builders
Locomotive cabs
USE
Cabs (Vehicle compartments)
Locomotive engineers
Locomotive operation
Locomotive operations
Locomotive shops
Locomotive simulators
USE
Railroad simulators
Locomotive utilization
Locomotives
Locomotives by motive power
Lodging businesses
Loess
Logarithms
Logging
Logging (Recording)
Logging roads
Logging trucks
Logic (Electricity)
Logic (Mathematics)
Logic (Mathematics)
Logic circuits
Logistic regression analysis
Logistics
Logit models
USE
Logits
Logits
Logs
Long life pavements
USE
Perpetual pavements
Long range planning
Long span
Long span bridges
Longitudinal control
Longitudinal cracking
Longitudinal guidance
USE
Longitudinal control
Longitudinal joints
Longitudinal reinforcement
Longitudinal stiffeners
Longitudinal strength
Longitudinal studies
Longitudinal waves
Longshoremen
Loop detectors
Loops (Control systems)
Loops (Highways)
USE
Beltways
Loose soils
Loran
Loran C
Lorries
USE
Trucks
Loss and damage
Loss and damage claims
Loss of control
Losses
Loudness
Low alloy steel
Low beamed headlamps
Low cost carriers
Low density
Low floor vehicles
Low frequency
Low income families
USE
Low income groups
Low income groups
Low risk drivers
Low temperature
Low temperature fluidity
Low temperature materials
Low temperature tests
Low traffic roads
USE
Low volume roads
Low voltage
Low volume roads
Lower extremities
Lowering
LPG
USE
Liquefied petroleum gas
Lubricants
Lubricating oils
Lubrication
Luggage
USE
Baggage
Lugs
Lumber
Lumber industry
Luminaires
Luminance
Luminescence
Luminosity factor
Luminous intensity
Luminous materials
Lumpers
Lungs