We see a lot of cars up at the crossroads, in particular, the peak commuting.

我们看见很多车堵塞在十字路口，特别是上下班高峰期。

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During peak commuting hours, traffic into and out of Silicon Valley--30 miles away--can be bumper-to-bumper.

FORBES: Magazine Article

"At peak commuting times, delays are inevitable, " said Insp Neil Lumsden, head of road policing at Northern Constabulary.

BBC: Kessock Bridge

Their surveys show that helmet-wearing rates are typically higher on major roads than on minor roads, and are used more often during peak commuting hours.

BBC: Compulsory cycle helmets - what's the proof