This page delivers traffic analytics for Johnston County, North Carolina. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Johnston County, North Carolina among 862 road miles divided in 16,573 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 275 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
5,784
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.0 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
16.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$84,143
Our data indicates an estimated average traffic volume of 5,784 vehicles per day in Johnston County, North Carolina that results in 6,802,026 vehicle-miles traveled per day (≈2.5 billion per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 31.0 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the North Carolina state averages: Johnston sees 9% lower average daily traffic volume than the state average (5,784 vehicles per day against 6,332), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Johnston accounts for about 2.5% of North Carolina's statewide total, at 6,802,026 vehicle-miles traveled per day (≈2.5 billion per year). Journey times run 4% lower than the state level, at 31.0 minutes on average. The congestion ratio of 16.6% is 11% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 68% of counties in North Carolina see less traffic than Johnston's 5,784 vehicles per day. On travel time, Johnston runs longer than 29% of counties in North Carolina.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
15,390
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
17.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
45.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
31.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$73,613
A significant volume of traffic in Johnston County, North Carolina utilizes the highway network. The average highway carries 15,390 vehicles per day, 182% more than the average non-highway road in the same area, which carries 5,448 vehicles per day. That average covers 210 highway road miles divided in 559 segments (average segment length 1,983 ft), together carrying 3,582,516 vehicle-miles traveled per day (≈1.3 billion per year). By highway travel volume, Johnston outranks 93% of counties in North Carolina. Trucks constitute 17.9% of highway traffic.
Analytical insight
The concentration of trucks on highways (17.9%) is 48% higher than the state average for similar road classifications. This indicates Johnston serves as a significant freight corridor. For logistics operators, this validates the importance of highway access. 91% of counties in North Carolina see a lower highway truck share than Johnston's 17.9%. Johnston's highway truck count is higher than 91% of counties in North Carolina, at roughly 2,756 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
5,448
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
30.5 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
16.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$88,463
The non-highway road network in Johnston County, North Carolina supports a substantial volume of traffic. The average non-highway road carries 5,448 vehicles per day, 65% less than the average highway in the same area, which carries 15,390 vehicles per day. That average covers 652 non-highway road miles divided in 16,014 segments (average segment length 215 ft), together carrying 3,219,510 vehicle-miles traveled per day (≈1.2 billion per year). Trucks constitute 4.6% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 74% fewer trucks by share. The non-highway congestion ratio of 16.1% is 9% lower than the state level, suggesting more efficient local mobility than the state average. 29% of counties in North Carolina see shorter overall travel times than Johnston. Trip origins here have higher average income than 89% of counties in North Carolina. 12% of counties in North Carolina have a younger driver population than Johnston.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 5:00 PM–6:00 PM, with volumes reaching approximately 82% higher than the daily average.
Weekend traffic:
Weekend volumes run about 23% below weekday levels.
Seasonal Fluctuation
Busy season:
March–May is the high season, with volumes +7% versus the annual average.
Lowest month:
November is the quietest month, with volumes -47% versus the annual average.
Analytical insight
In Johnston County, North Carolina, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is mild at +7% in high season.
Traffic Flow Profile Comparison
Metric
Johnston
North Carolina
Average
Difference
Traffic
5,784
6,332
-8.7%
Truck % (Total Traffic)
11.6%
8.7%
+32.9%
Truck % (Highway)
17.9%
12.1%
+48.3%
Avg. Travel Time
31.0 min
32.3 min
-4.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 5,784 vehicles per day, providing a baseline for daily operations and site assessment.
Johnston carries more highway trucks by raw volume than 91% of counties in North Carolina, at roughly 2,756 per day.
Trucks account for approximately 11.6% of the total traffic mix across all road types, with a significantly higher concentration of 17.9% on highways.
Traffic volumes are typically 7% higher during March–May. Volumes drop to their lowest levels in November, averaging 3,077 vehicles per day - a 47% decrease from the annual average.
Weekday peaks occur between 7:00 AM and 9:00 AM in the morning and between 5:00 PM and 6:00 PM in the evening - about 82% above the daily average.
Approximately 34% of highway traffic and 8% of non-highway traffic consists of vehicles whose trip originates outside Johnston County, North Carolina. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
The average travel time for drivers is 31.0 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Johnston roads have a median age of 45 years, and the median household income of the neighborhoods trips originate from averages $84,143 - useful context for retail siting and customer profiling.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)
