Crossing the Truck Line is an objective in the Story Mission, Rough Waters in Final Fantasy 7 Remake
- From the broken bridge in front of you, lead the party over to the right.
- Go across the walkway to the Northeast to the fight against 2 Wererat and Blugu.
- Defeat them and head over to the Northeastern passage and then take the ladder down.
- Once on the level with the water, go to the North and go to the Green outlined lever.
- Interact with that switch to lower the water nearby.
- Take the nearby ladder down into the water way.
- In the waterway, you will encounter 2 Blugus, and a Scissorclaw.
- Go to the North, ducking underneath the sluice gate to encounter another group of enemies: Scissorclaw, and Blugu.
- Defeat these foes then take the nearby ladder up onto the middle level.
- From there, go up to the ground level and heading over to the walkway.
- Once there, go to the South to find a piece of Materia: Poison Materia.
- Return to the middle landing where you can see another green-outlined handle.
- Use the handle to lower the Sluice Gate.
Video Walkthrough - Crossing the Truck Line