Takamatsu Expressway Minami Tonaedani Tunnel
| Orderer | West Nippon Expressway Co., Ltd. |
|---|---|
| Completion | 2017 |
| Structure and scale | NATM method, excavation cross-section: 71m²; tunnel length: 1,340m |
| Location | Tokushima Prefecture |
| Application | Road tunnel |
This is work for widening of the provisionally two-lane Takamatsu Expressway (Takamatsu to Naruto) that is in service to four lanes. There is much traffic, and the work is being done for the purpose of alleviating accidents and congestion.