Traffic. Transportation Research Thesaurus (TRT)

Traffic

Broader Terms

BT↑ Transportation operations

More specific terms

NT2 ↓ Traffic by mode ►▼
- NT3 ↓ Air traffic ►▼
  - NT4 ↓ Airport traffic ►▼
    - NT5 ↓ Ground traffic
- NT3 ↓ Highway traffic ►▼
  - NT4 ↓ Bus traffic
  - NT4 ↓ Truck traffic
- NT3 ↓ Pipeline traffic
- NT3 ↓ Railroad traffic
- NT3 ↓ Transit traffic
- NT3 ↓ Water traffic ►▼
  - NT4 ↓ Inland waterways traffic
  - NT4 ↓ Port traffic ►▼
    - NT5 ↓ Port congestion
NT2 ↓ Traffic characteristics ►▼
- NT3 ↓ Gap acceptance
- NT3 ↓ Sight distance ►▼
  - NT4 ↓ Passing sight distance
  - NT4 ↓ Stopping sight distance
- NT3 ↓ Stopping ►▼
  - NT4 ↓ Stopping distances
- NT3 ↓ Traffic assignment ►▼
  - NT4 ↓ Dynamic traffic assignment
- NT3 ↓ Traffic conflicts
- NT3 ↓ Traffic delay ►▼
  - NT4 ↓ Stopped time delay
- NT3 ↓ Traffic density
- NT3 ↓ Traffic distribution ►▼
  - NT4 ↓ Directional distribution
  - NT4 ↓ Lane distribution ►▼
    - NT5 ↓ Lane occupancy
    - NT5 ↓ Lateral placement
- NT3 ↓ Traffic diversion ►▼
  - NT4 ↓ Detours
- NT3 ↓ Traffic flow ►▼
  - NT4 ↓ Bottlenecks
  - NT4 ↓ Concurrent flow
  - NT4 ↓ Interrupted flow
  - NT4 ↓ Saturation flow ►▼
    - NT5 ↓ Oversaturation (Traffic flow)
  - NT4 ↓ Traffic congestion ►▼
    - NT5 ↓ Nonrecurrent congestion
  - NT4 ↓ Traffic equilibrium
  - NT4 ↓ Traffic flow rate
  - NT4 ↓ Traffic flow theory
  - NT4 ↓ Uninterrupted flow
- NT3 ↓ Traffic incidents
- NT3 ↓ Traffic queuing
- NT3 ↓ Traffic relationships ►▼
  - NT4 ↓ Flow speed relationships
  - NT4 ↓ Speed volume relationships
- NT3 ↓ Traffic speed ►▼
  - NT4 ↓ Design speed
  - NT4 ↓ Free flow speeds
  - NT4 ↓ Operating speed
  - NT4 ↓ Running speed
  - NT4 ↓ Speed and delay studies
  - NT4 ↓ Speed data
  - NT4 ↓ Speed distribution
  - NT4 ↓ Speed measurement ►▼
    - NT5 ↓ 85th percentile speed
    - NT5 ↓ Average travel speed
  - NT4 ↓ Spot speed ►▼
    - NT5 ↓ Average spot speed
- NT3 ↓ Traffic surveys
- NT3 ↓ Traffic volume ►▼
  - NT4 ↓ Average daily traffic ►▼
    - NT5 ↓ Annual average daily traffic
  - NT4 ↓ Design volume ►▼
    - NT5 ↓ Design hourly volume
  - NT4 ↓ Link volume
  - NT4 ↓ Passenger car equivalence
- NT3 ↓ Turning traffic ►▼
  - NT4 ↓ Left turns ►▼
    - NT5 ↓ Left turn on red
  - NT4 ↓ Right turns ►▼
    - NT5 ↓ Right turn on red
  - NT4 ↓ U turns
- NT3 ↓ Vehicle mix
- NT3 ↓ Vehicle spacing ►▼
  - NT4 ↓ Bunching
  - NT4 ↓ Car following
  - NT4 ↓ Following distance
  - NT4 ↓ Headways
  - NT4 ↓ Tailgating
  - NT4 ↓ Traffic platooning
- NT3 ↓ Weaving traffic
NT2 ↓ Traffic measurement ►▼
- NT3 ↓ Adjustment factors
- NT3 ↓ Measures of effectiveness
- NT3 ↓ Passenger counting
- NT3 ↓ Person miles of travel
- NT3 ↓ Traffic counting
- NT3 ↓ Traffic counting stations
- NT3 ↓ Traffic counts ►▼
  - NT4 ↓ Cordon counts
  - NT4 ↓ Manual traffic counts
- NT3 ↓ Traffic data ►▼
  - NT4 ↓ Floating car data
- NT3 ↓ Vehicle miles of travel
NT2 ↓ Traffic models ►▼
- NT3 ↓ Macroscopic traffic flow
- NT3 ↓ Mesoscopic traffic flow
- NT3 ↓ Microscopic traffic flow
- NT3 ↓ Traffic simulation
NT2 ↓ Types of traffic ►▼
- NT3 ↓ Diverging traffic
- NT3 ↓ Merging traffic
- NT3 ↓ One way traffic
- NT3 ↓ Opposing traffic
- NT3 ↓ Peak hour traffic
- NT3 ↓ Single lane traffic
- NT3 ↓ Through traffic

Date of creation

18-Mar-2009

Accepted term

18-Mar-2009

Descendant terms

113

ARK

ark:/99152/t3vpogl775w8nz

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