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Grooves are carefully cut into the surface of the road.

凹槽被精心地刻在了路面上。

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Its passenger compartment spans the width of two traffic lanes and sits high above the road surface, on a pair of fencelike stilts that leave the road clear for ordinary cars to pass underneath.

立体快巴的乘客们相隔的跨度为两条车道的宽度，并高坐于道路表面上方高耸的支架栏杆上，这使得普通的汽车可以在下边畅通无阻。

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In another scheme to resurface the main route for vehicles in the square, sub-contractors are having to relay the road surface after problems were identified.

BBC: Caernarfon Castle Square parking ban for many motorists

The surface of the road still needs work, but the improvements already mean that a bone-shaking two day journey has been turned into a very dusty but manageable 12-hour drive.

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So says Peter Ruane, chief executive of the American Road and Transportation Builders Association (ARTBA), as he unveils a 70-page plan for updating legislation on federal surface transportation spending.

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