The current line graphs work, but are not as nice as the routegraph implementation.
- Instead of always only displaying the upcoming values, show all values for the current route (if loaded) with a "current position" indicator. Grey out past values. If no route is loaded, always show the last hour to the left of the current position indicator.
- On tap, zoom in

The current line graphs work, but are not as nice as the routegraph implementation.