It has five illuminated, ventilated tunnels totalling 5,724 metres. These tunnels were built by the Konkan Railway Corporation Ltd.
These are:
| Tunnel | Description | |
|---|---|---|
| 1 | Bhatan | This tunnel opened in April 2000. The Mumbai-Pune (North) tube is 1,053 m and the Pune-Mumbai (South) tube is 1,088 m long. |
| 2 | Madap | This tunnel also opened in April 2000. The Mumbai-Pune (North) tube is 305.3 m and the Pune-Mumbai (South) tube is 359.3 m long. |
| 3 | Adoshi | This only has a Pune-Mumbai tube. The Mumbai-Pune carriageway skirts the eastern edge of the tunnel while the Pune-Mumbai carriageway traverses the 258 m long tunnel. |
| 4 | Khandala | This is a curved pair of tubes. The Mumbai-Pune (North) tube is 293.5 m and the Pune-Mumbai (South) tube is 400 m long. |
| 5 | Kamshet-1 | It has 2 tubes roughly 900 m each. |
| 6 | Kamshet-2 | 359 m |
The entire length of expressway has a single layer of barbed wire fencing to keep out stray cattle.
Read more about this topic: Mumbai Pune Expressway