Especially if large vehicles use the road and particularly at night.
By 1943 over 2000 vehicles were using the road per day.
Even when the pass is open, not all vehicles may use the road.
By 2004 more than 30,000 vehicles used the bridge every day.
In 2005 more than 50,000 vehicles used the bridge every 24 hours.
Between 2,400 and 3,900 vehicles use the highway each day on average.
Between 1,600 and 9,200 vehicles used the highway on an average day in 2009.
More than 57 million vehicles used the bridge in 1985.
On average, between 26,000 and 38,000 vehicles use the highway every day.
The first vehicle will use a standard 6-liter, 175-horsepower engine.