When you choose public transit in Google Maps, you need to provide one additional bit of criteria — the time you want to travel.

当您在 Google Maps 中选择了公共交通，您还需要提供一个额外的标准 — 您想要的出行时间。

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It is also the most expensive public transportation in the world, according to research compiled by the House of Commons library, but it does have one of the best-designed maps in transit history.

BBC: Living in: Great cities for public transport

But the new Apple Maps app does not have transit directions included in the app.

FORBES: Apple To Public Transit Riders: Take A Hike

Luckily, you can still access Google Maps from Safari to get the transit feature.

CNN: 5 big changes in iOS 6