Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Flight Crew Last 90 Days 67.88; Flight Crew Total 6672.32; Flight Crew Type 4994.95
Confusion; Situational Awareness
Deviation / Discrepancy - Procedural Clearance; Ground Incursion Runway
Flight Crew Became Reoriented
Airport; Human Factors
Taxiing to [Runway] 8R in Miami. Runway 12 closed. No aircraft in front of us and no aircraft on final. The triangular shape hold bars are confusing and difficult to see. We stopped in the middle of the triangle before proceeding with our takeoff clearance.
Air carrier First Officer reported a runway incursion at MIA occurred in part because the Runway 8R hold bars are confusing and hard to see.