Secret Tunnel in Cyberpunk 2077

You have to go to Arasaka tower fast travel point.

And follow this path.

Below is the NCART subway station.

You will need to jump down to the entrance.

Call a motorcycle and ride down.

The motorcycle can enter the subway.

Now you are inside the underground subway station!

Dead end there, you have to turn around.

The underground pipes are below you.

You have to go down the right subway tunnel.

Now go to the left subway tunnel.

And ride middle back to the right tunnel.

After that, you need to ride to the opposite subway entrance.

It is on the other side of the subway.

Exit opposite side subway.

You will need to check the door nearby.

Sneak in the main door.

And follow the path as shown.

There is an enemy nearby here.

You have to distract enemies with the radio.

Open the right door.

And turn off the camera (remotely).

After that, you will need to go downstairs.

Disable camera here.

And distract enemies again.

It is safe to get Legendary loot.

You have to follow this path.

There’s another camera nearby (disable).

Safe to go back upstairs.

You make it back up, go to bike.

And use signs to distract enemies.

Safe to ride motorcycle up stairs.

Back up to the subway lobby.

Exit NCART subway station Lobby.

Map of entrance.

You can check the legendary item stats.