Is Back-to-School Traffic Really More Dangerous?

What the data actually shows — and the one time of day parents should pay extra attention.

Every August, the same warning shows up in local news and parent group chats: watch out, the roads get more dangerous once school starts.

It makes sense. There are more kids walking, more cars in pickup lines, more buses on the road and plenty of parents rushing from one thing to the next.

But the full picture is more specific — and more useful — than simply saying, “back-to-school traffic is more dangerous.”

So, Does Traffic Actually Get More Dangerous in September?

Federal crash data says not overall.

Total traffic fatalities actually peak during the summer months — July and August — and decline once school resumes.

Vehicle miles traveled drop too. One recent year saw roughly 288 billion miles driven in August fall to about 276 billion in September as summer road trips ended and families settled back into school and work routines.

If back-to-school season made roads dramatically more dangerous across the board, that isn’t what the broader data shows.

The Bigger Risk Is School Dismissal

“No overall spike” does not mean there is nothing to watch for.

When the data is narrowed specifically to child pedestrians, a much clearer risk window appears.

Sixty-three percent of child pedestrian fatalities happen during weekday hours that line up with the school schedule.

The single most dangerous hour for school-age pedestrians is 3 to 4 p.m. — right around dismissal time, when children are walking or biking home while drivers are moving through neighborhoods.

As fall continues and daylight fades earlier, the risk can become more significant. A large majority of pedestrian fatalities happen after dark, and after-school activities increasingly begin overlapping with dusk.

Why School-Zone Driving Habits Matter

Nationally, only about 4 in 10 public schools report having a crossing guard stationed on the streets immediately surrounding the school.

That means many schools are relying heavily on drivers to notice children, slow down and follow posted school-zone rules.

And even when signs are present, compliance with school-zone speed limits is not always as strong as parents might expect.

A Few Small Things That Make a Big Difference

• Slow down through marked school zones.
• Come to a complete stop instead of rolling through stop signs.
• Watch closely for kids walking or biking between about 2:30 and 4 p.m.
• Check mirrors carefully before backing out of driveways.
• Give yourself a little extra time during afternoon dismissal.

The Takeaway for Parents

None of this is a reason to keep kids inside or assume a normal walk or bike ride to school is unsafe.

It is a reason to pay attention to when and where the actual risk is highest instead of carrying a vague sense of worry about back-to-school traffic in general.

The risk window is relatively narrow: weekday afternoons, school dismissal, and those first few weeks when everyone is relearning the routine.

And when a risk is that specific, families can plan around it.

Ron White is the founder of Consilium, a free civic-intelligence app that gives parents sourced, non-sensational safety and health context for their own neighborhood.  Learn more at GetConsiliumApp.com. 

NHTSA Fatality Analysis Reporting System (FARS), school-transportation-related crash data 2013–2022, as analyzed by Stacker/local news syndication; NHTSA, “Back to School: Keeping Children Safe”; National Center for Education Statistics (NCES), crossing guard staffing data, 2024–25.