Changing transport mode as an older/disabled traveller shows incorrect questions

[jkmnch]

If I choose Bus/Train > Travel on any bus > Older person/Disabled person and then choose to change my transport mode to Tram, I'm presented with a question with no options:

I believe the user should be presented with the page to explain there are no results.

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If I choose Bus > Travel on any bus > Older person/Disabled person and then choose to change my transport mode to Train, I'm asked to enter my stations and choose my zones, but after that I'm presented with the same question with no options:

The question above should be skipped and the user should see this page instead (since all concessionary pass types are off-peak):

[sudheer-rk]

can't reproduce the bug on the development env.