Sierra, California Traffic Data

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Total traffic

Traffic

Traffic

The average number of vehicles that travel each day over a mile of the road.

14177

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles or trucks.

0.2%

Average travel time

Average travel time

The average time of vehicle travel for all vehicles traveling over the county road network.

48.4 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time.

3.8%

Drivers’ average age

Drivers’ average age

Average age of drivers in vehicles traveling over the county road network.

57.5 yrs

Drivers’ average income

Drivers’ average income

Average income of drivers in vehicles traveling over the county road network.

$51,725

Average distance driven

Average distance driven

The mean length of a trip taken by drivers over the county road network.

13.7 mi
Estimated annual traffic volume: 5,174,605 vehicles. Based on an average trip distance of 13.7 mi and an average travel time of 48.4 min, the estimated average travel speed is 17.0 mph. This reflects door-to-door average speed, including time stopped at traffic signals, in congestion, and at intersections.

Highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over a mile of the road.

19226

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles or trucks.

4.4%

Average travel time

Average travel time

The average time of vehicle travel for all vehicles traveling over the county highway network.

53.1 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time.

25.2%

Drivers’ average age

Drivers’ average age

Average age of drivers in vehicles traveling over the county highway network.

47.9 yrs

Drivers’ average income

Drivers’ average income

Average income of drivers in vehicles traveling over the county highway network.

$81,953

Average distance driven

Average distance driven

The mean length of a trip taken by drivers over the county road network.

29.2 mi
Annual highway traffic is 7,017,490 vehicles, which is 37% more than non-highway traffic. Trucks make up 4.4% of highway traffic, which means there are approximately 845 daily trucks on highways within Sierra County, or an estimated 308,425 trucks per year.

Non-highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over a mile of the road.

14047

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles or trucks.

0.1%

Average travel time

Average travel time

The average time of vehicle travel for all vehicles traveling over the county non-highway roads.

48.3 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time.

3.3%

Drivers’ average age

Drivers’ average age

Average age of drivers in vehicles traveling over the county non-highway roads.

57.7 yrs

Drivers’ average income

Drivers’ average income

Average income of drivers in vehicles traveling over the county non-highway roads.

$50,947

Average distance driven

Average distance driven

The mean length of a trip taken by drivers over the county non-highway roads.

13.3 mi
Non-highway average travel time is 48.3 min, which is 9% less than on highways. Average trip distance on non-highway roads is 13.3 mi, which is 54% less than on highways. The average age of non-highway drivers is 57.7 yrs, which is 20% more than on highways. The average income of non-highway drivers is $50,947, which is 38% less than on highways.
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