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11160704 t1_jdvxi3v wrote

Reply to comment by TravelTime_LKB in Compare Public Transport Network Connectivity In 10 European Countries [OC] by TravelTime_LKB

I don't think the database is accurate and complete.

Especially in Italy the region disparities (that certainly exist) seem much too strong. For instance im pretty sure there is more public trnasport around Naples in campania.

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misterakko t1_jdwa8qf wrote

Agreed. The Italian region with the (relatively) worst public transports is Sardinia. Which seem fairly represented on that map. Everything else should show more connections.

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TravelTime_LKB OP t1_jdvyq33 wrote

The database does include Campania transport networks. The reason it looks so different is because of transport density - whilst there are transport routes in this area, it's not dense. In the visualisation each stop only has a 15 minute walking catchment area around it, so if the stops are few and far between, at the zoom level it won't show a lot of coverage. You can see when you open up the map in more detail here that there are routes in the area.

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11160704 t1_jdvz04b wrote

But for example the Sorrento peninsula is almost empty, despite the fact that it has a dense public transport network.

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TravelTime_LKB OP t1_jdw0ofj wrote

Thanks. I'll have our data team look into it but most likely if they're spaced out, once we zoomed it out and exported at a country level it wasn't too visible.

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Simgiov t1_jdx3a3n wrote

You can clearly see the boundaries between different public transport operators, which means different GTFS providers. I work in the field and for the area in my agency, I can clearly see on your map the networks for which we provide GTFS as open data and the ones we don't. But it is also clear in other areas of Italy just looking at the map.

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mbrevitas t1_jdzbxr6 wrote

No, the data is just extremely incomplete. Just taking a very quick glance, without comparing with other maps, I can tell you're missing railway stations along several railway lines in southern Italy, for instance to the Gargano peninsula, along the coast west of Taranto and in various places in Sicily (Pozzallo, Licata, Termini Imerese etc.). This is just off the top of my head and sticking to railways; I'm sure there's thousands of bus stops missing, too, but I don't know by heart where bus stops are.

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