Mark order line as express
Navigate to Administration > Order
- Click on expand icon on order to show order lines
- Right-click on order line, select Edit to show edit dialog
- Click on Express checkbox
- Click Save
Add routing rule
Navigate to Administration > Routes > Routing Rules
- Click [+]
- Enter a name, eg. "Express"
- Click on Rules dropdown, select Express
- (Click on checkbox)
- Click Save
Add rule to rail
Navigate to Station Settings
- Click on expand on station
- Right-click on rail
- Click on Routing Rule dropdown, select newly created rule
- Click Save
Rails with active routing rules are shown in the Routing Rule column.