The hilly geography (and poor advanced planning) means you don't have room for your lane to continue ahead of you. It's an intensely short merge that would be d

The hilly geography (and poor advanced planning) means you don't have room for your lane to continue ahead of you. It's an intensely short merge that would be dangerous to allow people to fly out into, given you don't have time to look and merge safely before your lane ends. It's essentially: 1) Stop 2) Find a gap in traffic 3) Floor it