Airport Metro Line Beats Taxi at Rush Hour

Four moves for Airport Metro Line Beats Taxi at Rush Hour that actually stick in Chengdu:

1. Keep a photo of the 'done correctly' version in your album.
2. Do it on a calm day, not the day everything else breaks.
3. Tell one person so you cannot quietly abandon the plan.
4. Test the backup version once; hope you never need it.

The list is short on purpose. Long lists become wallpaper.