[eru]

Are they allowed to hail from the street?

[DanBC]

No, if you want to hail from the street you need a taxi.

Uber doesn't allow hailing from the street either.

[vageli]

How dissimilar is roadside hailing from hailing a cab in-app to your exact location?

[eru]

Thanks to ubiquitous smart phones these days, they are near substitutes. It didn't use to be that way.