| Greater Societal Challenges |
|
| changing needs of people and industry |
28 |
| economic growth and development |
25 |
| population growth |
20 |
| environment, land use, and energy |
20 |
| multi- & internmodalism |
11 |
| demand growth and management |
10 |
| urban versus rural needs |
7 |
| tourism |
6 |
| quality of life |
3 |
| other societal challenges |
3 |
| Traditional Transportation Challenges |
|
| mobility, efficiency, and congestion reduction |
10 |
| infrastructure, preservation, and maintenance |
8 |
| safety |
7 |
| freight |
4 |
| other traditional challenges |
5 |
| Procedural Challenges |
|
| coordination with stakeholders |
7 |
| technological change |
5 |
| other procedural challenges |
2 |
| Administrative Challenges |
|
| stable and secure funding |
7 |
| other administrative challenges |
1 |
