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to drive into; to ride into
to extend (a railway line, bus route, etc.) into; to link (a railway line) with; to join up with (a separate line)
電車が新駅に乗り入れた。
The train started running into the new station.
路面電車が中心街に乗り入れている。
The tram runs into the city center.
無許可で構内に乗り入れるのは禁止だ。
Driving onto the premises without permission is prohibited.