Business & Economics
Rail
90%
Airlines
64%
Transport Policy
49%
Railway Station
44%
Airports
41%
Railway
39%
Train
30%
Aircraft Size
30%
Sustainable Transport
30%
Airline Choice
29%
Packaging
28%
Israel
26%
Air
26%
Substitution
25%
Transport Infrastructure
25%
Air Transport
23%
Hub
23%
Travel Time
21%
Aircraft
21%
Carbon
20%
Finland
19%
Rail Network
18%
Social Equity
18%
Environmental Benefits
18%
Synergy
18%
Well-being
17%
Equity
16%
Car
16%
Policy Measures
15%
Intermodality
15%
Alternatives
15%
Urban Transport
14%
Accessibility
14%
Policy Tools
14%
Core-periphery
14%
Car Sharing
13%
Bus
13%
Low-cost Airlines
12%
Planning
12%
Virtual Environments
12%
Information and Communication Technology
12%
Threat
12%
Environmental Impact
12%
Disintegration
11%
Public Transportation
11%
Low-cost Carriers
11%
Economic Growth
10%
Shanghai
10%
Integrated
10%
Travellers
9%
Social Sciences
German Federal Railways
100%
travel
74%
transport system
62%
aircraft
42%
airport
42%
substitution
39%
air
31%
Israel
27%
car sharing
25%
infrastructure
21%
demand
20%
Environmental benefits
20%
time
20%
evidence
17%
social equities
17%
Finland
17%
planning
16%
environmental impact
15%
travel behavior
14%
synergy
14%
traffic
13%
adapted technology
13%
governance
12%
equity
12%
public transport
12%
urban area
12%
technical development
12%
multimodality
12%
public transportation
11%
sustainability
11%
nostalgia
11%
transport network
11%
costs
10%
beauty
10%
evaluation
9%
experience
9%
trend
9%
communication technology
9%
climate change
9%
ranking
8%
entrepreneur
8%
efficiency
8%
tourist
8%
twenty-first century
8%
information technology
8%
EU
8%
road
8%
Netherlands
7%
flight
7%
Sweden
7%
Earth & Environmental Sciences
railway
59%
high-speed train
55%
travel
36%
airport
36%
transport system
36%
services
35%
automobile
34%
aircraft
29%
railway station
26%
policy
26%
substitution
24%
passenger transport
20%
speed
20%
walking
18%
accessibility
18%
urban mobility
16%
congestion
16%
demand
16%
city
15%
carbon
14%
infrastructure
14%
urban transport
14%
environmental impact
14%
station
14%
air
13%
decision making
13%
infrastructure planning
13%
freight transport
12%
cooperation
12%
technological development
12%
bus
12%
analysis
12%
entrepreneur
12%
macroeconomics
11%
cost
11%
innovation
11%
motility
11%
design method
10%
trend
9%
train
9%
emission reduction
9%
organization
9%
woman
8%
society
8%
ranking
8%
economy
8%
railway network
8%
greenhouse gas emissions
8%
health
8%
state of the art
7%