Earth & Environmental Sciences
travel
100%
transportation mode
82%
travel behavior
72%
policy
55%
public transport
52%
traffic
45%
methodology
36%
well
36%
social cost
35%
indicator
32%
congestion
32%
cost-benefit analysis
32%
European Commission
31%
cost
28%
passenger transport
26%
research project
26%
evaluation
26%
travel demand
25%
transport planning
24%
energy consumption
24%
emission data
21%
social development
21%
transport system
19%
safety
19%
demand
17%
automobile
16%
household
15%
sustainable development
14%
project
14%
social exclusion
14%
vehicle
14%
society
14%
welfare economics
13%
principle of sustainability
13%
document
13%
working hours
13%
car use
13%
energy
13%
private car
13%
noise pollution
12%
environmental cost
11%
externality
11%
growth and development
10%
valuation
9%
environmental effect
9%
economic growth
9%
urban development
8%
train
8%
economic development
8%
school
8%
air quality
7%
human health
7%
sustainability
6%
land use
6%
pollution
5%
damage
5%
planning
5%
ecosystem
5%