The Merge

Nothing you’ve practiced so far prepares either of you for the first time your teen hits a highway on-ramp. The acceleration lane is short. The cars on the highway are going 65. Your teen is going 35 and climbing. You’re gripping the door handle.

This is normal. Every parent and every teen goes through this moment. And the good news is that merging is a skill, not a talent. It gets better fast with practice.

But you can’t just wing it. The highway is the first environment where a mistake at the wrong moment has serious consequences. So you plan this one.

When They’re Ready

Your teen should be solid on residential streets and comfortable at 35-40 mph on busier roads before you attempt the highway. If they’re still nervous at intersections or braking too hard at stop signs, they’re not ready. Give it more time.

Most teens hit this stage after 10-15 hours of total practice. Some sooner, some later. Watch their driving, not the clock.

Where to Start

Not I-95. Not the 405. Not any highway near a major city during any time that isn’t dead quiet.

Pick a suburban expressway or a two-lane highway with long on-ramps. The longer the merge lane, the more time your teen has to get up to speed. Short merge lanes at highway speed are genuinely dangerous for beginners.

Sunday morning. Again. You’re going to get very familiar with Sunday mornings.

A good first session: get on at one exit, drive two or maybe four exits, get off, loop around on surface streets, get back on. Same interchange, same ramp, same merge. Repetition at one location builds confidence much faster than a long, varied highway drive.

The Skills That Matter

Merging. The accelerator is the important part. Most new drivers don’t accelerate hard enough on the ramp. They enter the highway going 45 when traffic is doing 60, and that speed difference is where danger lives. Tell your teen: the gas pedal is your friend on the ramp. Match traffic speed before the merge lane ends.

Following distance. Three seconds minimum. Pick a sign or overpass. When the car ahead passes it, count “one one-thousand, two one-thousand, three one-thousand.” If your teen reaches the sign before they finish counting, they’re too close. At 65 mph, three seconds is about 290 feet. It looks like a lot of space. It is. That’s the point.

Lane changes. Don’t introduce these on the first highway session. Wait until merging feels routine, probably after your second or fourth session. Then practice on a stretch with light traffic and good visibility. The sequence is always the same: mirror, signal, head check over the shoulder, move. Your teen will want to skip the head check. Don’t let them. Blind spots are real, and a mirror isn’t enough.

Maintaining speed. New highway drivers drift in speed. They’ll be at 65, then 58, then 70. They’re watching the road so hard they forget the speedometer. This is normal. Have them glance at their speed every 10-15 seconds until holding a steady speed becomes automatic.

What to Say (and What Not To)

On the ramp: “Speed up, you need to match traffic.” This is the one time you tell them to go faster. They won’t want to. They need to.

During the drive: Keep it simple. “Check your mirrors.” “You’re drifting under 60.” “Good spacing.” Short phrases. The highway is overwhelming. Long instructions don’t register.

If they need to exit unexpectedly: “Take this next exit, we’ll loop back.” Calm voice. Missing an exit is nothing. Swerving across two lanes because they almost missed an exit is something.

Don’t critique while they’re merging. Wait until you’re cruising in the right lane. Feedback during the highest-stress moment doesn’t help.

How Long Before Rush Hour

A lot longer than you think. Rush hour highway driving, with lane changes across heavy traffic, brake lights, aggressive drivers, and limited merge space, is an advanced skill. Your teen needs 8-10 hours of highway practice on lighter roads first.

Most states that require highway practice hours don’t specify rush hour. Check your state’s specific requirements because some require highway hours and some don’t track them separately.

Moda logs highway sessions alongside everything else and tracks your progress against your state’s hour requirements. When you’re building toward a specific total, knowing exactly where you stand saves a lot of guesswork and last-minute cramming before the road test.

Track your permit hours the easy way.