KEEP RIGHT A PSA FOR THE PASSING LANE

A public service announcement

The left lane isn’t a place. It’s a maneuver.

Sixty seconds on the one rule that makes every highway work — and the two drivers who break it without meaning to.

Mile 01 · The maneuver

Borrow it. Use it.
Give it back.

A highway is a sorting machine. The right lanes are for traveling. The left lane exists for exactly one thing — the length of a pass. You signal, you overtake, you return. The lane was never yours.

Mile 01 · The entire transaction

PASSING TRAVELING 01 · SIGNAL 02 · PASS 03 · RETURN
FIG. 1 — TEN SECONDS, START TO FINISH. THEN THE LANE IS SOMEBODY ELSE’S.

Mile 02 · To the driver who never thinks about lanes

You’re not rude.
You’re parked in a maneuver.

Nobody taught you this, and cruise control makes every lane feel like open road. But from behind, an occupied passing lane rewrites the whole highway — and drivers start improvising around you, on the side where your mirrors are weakest.

Mile 02 · What forms behind you

THE WAVE TRAVELS BACKWARD — LONG AFTER YOU’VE GONE
FIG. 2 — ONE STEADY CAR. THREE STACKED STRANGERS. ONE IMPROVISED PASS.

Mile 02 · The physics

Traffic physics has a name for what happens next: a phantom jam. One small speed difference chains backward into a standing wave of brake lights that outlives the car that caused it. By the time the jam exists, you’re miles ahead.
You never see what you built.

LIGHTHILL · WHITHAM · RICHARDS — TRAFFIC-WAVE MODEL, 1955

Mile 03 · To the driver teaching speeders a lesson

You’re doing the limit.
He isn’t. Hold your ground?

Three reasons to let him go — the law, the outcome, and the job description.

Mile 03 · Reason 01

The law isn’t on your side.

“…any vehicle proceeding at less than the normal speed of traffic … shall be driven in the right-hand lane.”UNIFORM VEHICLE CODE — ADOPTED IN SOME FORM BY EVERY STATE

Normal speed of traffic — not the speed limit. California spells it out: keep right applies “notwithstanding the prima facie speed limits.” Doing 65 in a 65 doesn’t lease you the lane.

Mile 03 · Reason 02

The lesson never lands.

Blocking a speeder doesn’t slow him down. It reroutes him — into the right lane, past the school-run minivan, through your blind spot at a worse angle. You don’t reduce the speeding. You relocate it, to people who didn’t volunteer.

Mile 03 · Reason 03

It was never your job.

Enforcement comes with a radar gun, a badge, and a pension. If he’s truly dangerous, the left lane isn’t your tool — it’s his exit from your life. Yield, and he’s a problem for the people paid to handle him.

Mile 03 · The arena you’re stepping into

51%

OF US DRIVERS ADMIT TAILGATING ON PURPOSE — 104 MILLION PEOPLE

24%

ADMIT DELIBERATELY BLOCKING ANOTHER CAR FROM CHANGING LANES

8M

ESCALATED TO CONFRONTATION, RAMMING, OR WORSE IN ONE YEAR

AAA FOUNDATION FOR TRAFFIC SAFETY, 2016 — AGGRESSIVE DRIVING GENERALLY, NOT ONLY LEFT-LANE INCIDENTS

All to make a point about etiquette.
Nobody has to be the spark.

Mile 04 · The stakes

11,288

PEOPLE KILLED IN SPEED-RELATED CRASHES IN 2024 — 29% OF ALL US ROAD DEATHS · IIHS

Crashes cluster where speeds differ, not only where they’re high. A blocked passing lane manufactures speed variance in the exact lane where speeds are highest. Keeping right doesn’t just move traffic along.
It removes collisions before they’re possible.

EACH MARK — TEN PEOPLE. ONE YEAR ON AMERICAN ROADS.

Mile 05 · The law, everywhere

All fifty states.
One direction.

Every US state carries a keep-right law in some form. Some of them name it. Six states designate every lane but the rightmost as a passing lane. This was never a preference. It’s the operating manual.

ALAKAZARCACOCTDEFLGAHIIDILINIAKSKYLAMEMDMAMIMNMSMOMTNENVNHNJNMNYNCNDOHOKORPARISCSDTNTXUTVTVAWAWVWIWY

FIFTY STATES. ZERO WHERE CAMPING THE LEFT LANE IS LEGAL DRIVING.

Mile 05 · As posted

SLOWER TRAFFIC
KEEP RIGHT

UNIFORM VEHICLE CODE · MOST STATES

KEEP RIGHT
EXCEPT TO PASS

“LEFT LANE LAW” · COLORADO

YIELD LEFT LANE
TO FASTER TRAFFIC

“SLOWPOKE LAW” · GEORGIA, 2014

LEFT LANES
FOR PASSING ONLY

ME · MA · MO · MT · NJ · WA

Final mile · The code

Four rules.
Zero exceptions.

  1. 01

    Pass with purpose. Then move right.

  2. 02

    Faster traffic behind you? Yield — even at the limit.

  3. 03

    Don’t cruise beside another car. Finish the pass.

  4. 04

    Stuck behind a camper? Distance. Patience. One clean pass. No lessons.

Pass left. Drive right.

One lane of courtesy, returned a million times a day, is the cheapest safety feature ever built.

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KEEP RIGHT sticker: a green highway-sign design with a QR code linking to keeprightpsa.org, labeled “Pass left. Drive right. Scan for the 60-second read — no ads, no signup, not a prank.”

After the pledge · Spread it

Put it where
drivers look.

Print it, sticker it, bumper it. The sticker names its destination in plain text — no ads, no signup, not a prank — so nobody has to gamble on a mystery square.

STICKER · PNG↓ QR ONLY · SVG↓

2400 × 2400 PX — PRINTS SHARP TO 8″ / 20 CM. ERROR CORRECTION H: SCANS EVEN SCUFFED.