Wasn't the introduction of double deck trains done to increase train
capacity without having to make the trains longer which would have
involved heavy expenses in the lengthing  of platforms especially in the
underground?

The first iteration of double deck cars was the introduction of double
deck cars with the existing power cars being single deck.

Greg

On 26/07/2022 8:32 pm, TP wrote:
> The size of the tram has nothing to do with the headways. The whole

> idea of increasing the size of the vehicle is to increase the capacity

> at the same headways.

>

> Having said that, of course there are a few more negative operators

> and agencies who will use the excuse of bigger vehicles to cut back

> the number being used (hence longer headways). The introduction of

> Sydney's double deck trains was an example.

>

> So by corollary, it will be interesting to see if Melbourne's smaller

> trams result in greater frequency.

>