Description
A work of art with a constant cross-section, which allows the continuity of the road, usually road or rail, through a mountain or other obstacle.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Unknown Resource | Open resource | ||
| Unknown Resource | Unknown | Open resource | |
| Unknown Resource | Doc | Open resource | |
| Unknown Resource | HTML | Open resource | |
| Unknown Resource | XML | Open resource |