What does it indicate if after landing on runway 18, you rollout past the sign for runway 26-8?

If you rollout past the sign for runway 26-8 after landing on runway 18, it indicates that you did not comply with the clearance. Typically, clearances are given to keep aircraft on a designated path after landing, often to ensure safety and avoid conflicts with other traffic. The presence of a sign indicating another runway signifies that the aircraft should have maneuvered to the appropriate location or taxiway.

Rolling past this sign suggests that the aircraft did not follow the expected taxi route as indicated by air traffic control. It emphasizes the importance of adhering to instructions to maintain safety and efficiency in airport operations. A pilot is expected to stay aware of signage and instructions provided by air traffic control to avoid potential hazards or conflicts with other aircraft.