Time Remaining: 56m 32s Question: Prior to entering/crossing a runway, drivers will: Choose the correct answer below: Stop at the runway hold line, visually determine the runway is clear and continue to cross/enter the runway if clear Stop at the runway hold line, contact airfield management via two-way radio to gain approval to enter/cross the runway Stop at the runway hold line and coordinate with Maintenance Operations Center and await their permission to enter/cross Stop at the runway hold line, contact the control tower via two way radio to ask permission to enter/cross