Table 6
Overview of the five designs for the highway extension
| Design | Illustration | Construction cost: billions CHFa | |
|---|---|---|---|
| Do nothing | — | 0 | |
| Traditional design | Road | Tunnel | 1.1 |
 |  | ||
| Bridge | Ramp | ||
 |  | ||
| Separate-lanes design | Road | Tunnel | 1.2 |
 |  | ||
| Bridge | Ramp | ||
 |  | ||
| Flexible design | Road | Tunnel | 1.5 |
 |  | ||
| Bridge | Ramp | ||
 |  | ||
| Maximum design | Road | Tunnel | 1.65 |
 |  | ||
| Bridge | Ramp | ||
 |  | ||
a
The cost of construction does not include the costs of land acquisition, as it is considered that the infrastructure owner already owns enough land to accommodate any design
1 CHF = US$1.07