1. Introduction 2. Ensuring Separation Scenario #1 3. Ensuring Separation Scenario #2 4. Ensuring Separation Scenario #3 5. Ensuring Separation Scenario #4 6. Selecting Crossing Restrictions Scenario #5 7. Selecting Crossing Restrictions Scenario #6 8. Selecting Crossing Restrictions Scenario #7 9. Selecting Crossing Restrictions Scenario #8 10. Selecting Crossing Restrictions Scenario #9 11. Selecting Crossing Restrictions Scenario #10 12. Selecting Crossing Restrictions Scenario #11 (Set 1 of 3) 13. Selecting Crossing Restrictions Scenario #11 (Set 2 of 3) 14. Selecting Crossing Restrictions Scenario #11 (Set 3 of 3) 15. Selecting Crossing Restrictions Scenario #12 (Set 1 of 4) 16. Selecting Crossing Restrictions Scenario #12 (Set 2 of 4) 17. Selecting Crossing Restrictions Scenario #12 (Set 3 of 4) 18. Selecting Crossing Restrictions Scenario #12 (Set 4 of 4) 19. Selecting Crossing Restrictions Scenario #13 (Set 1 of 4) 20. Selecting Crossing Restrictions Scenario #13 (Set 2 of 4) 21. Selecting Crossing Restrictions Scenario #13 (Set 3 of 4) 22. Selecting Crossing Restrictions Scenario #13 (Set 4 of 4) Close