I put a few other lads on the hard shoulder.I was halfway home.请问前一句话是什么意思

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I put a few other lads on the hard shoulder.I was halfway home.请问前一句话是什么意思
语境大概是说话人因为遇见突发事件突然掉头,这句话是他接下来说的话.On the shoulder在这个应该是紧急停车带的意思,但是put a few other lads讲的什么不太明白,

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