A solid yellow line next to a broken yellow line means the passing rule depends on which side you are driving on. If the broken line is on your side of the center, you may cross into the oncoming lane to pass a slower vehicle. If the solid line is on your side, you may not. The same stretch of road gives drivers in one direction permission to pass and drivers in the other direction a no-passing zone, because sight distance is adequate one way but not the other.
Which Side Are You On
Yellow paint separates traffic moving in opposite directions, so anything on the far side of a yellow line is coming toward you. On a two-lane road striped with one solid and one broken yellow line, read the line nearest your lane. That is the line that governs you. The line on the other side governs the oncoming driver, and it may say the opposite.
Traffic engineers use this split marking where the geometry of the road, a curve, a hill crest, or a blind approach, gives drivers in one direction a long enough view to overtake safely but denies that view to drivers coming the other way.
When You May Pass
With the broken line on your side, you have permission to cross the center and overtake. The federal standard phrases it as passing “with care,” and the care is yours to exercise. Before pulling out, confirm the road ahead is clear of oncoming vehicles close enough to create a hazard, and confirm you can complete the pass and return to your lane without exceeding the posted speed limit. On most two-lane roads that limit is 55 mph, and overtaking is not a license to exceed it.
No rule caps the number of vehicles you can pass in one maneuver. The practical limit is the one your own judgment sets: the longer you spend in the oncoming lane, the less margin you have if something appears ahead. Passing more than one vehicle at a time calls for exceptional visibility and a wide-open road.
When You May Not Pass
With the solid line on your side, you are in a no-passing zone. The sight distance in your direction is not enough for a safe overtake, and a hill, a curve, or an intersection may be hiding traffic you cannot see. Crossing the solid line to get around another vehicle is a traffic violation in every state.
The restriction is specific to overtaking. Several routine driving moves still require crossing the center line, and those are treated separately from passing.
When Crossing the Solid Line Is Still Allowed
Left Turns
You may cross a solid yellow center line to turn left into a driveway, side street, or alley, and to turn left out of one onto the road. Turning is not passing. You are entering or leaving the roadway rather than trying to get around another vehicle. Yield to oncoming traffic and to vehicles behind you, and signal in advance.
Obstructions in Your Lane
If a stalled car, fallen tree, or debris blocks your lane, you may cross the solid line to get around it, because the alternative is sitting behind it indefinitely. Wait until oncoming traffic is clear. You are borrowing the opposing lane, and avoiding a collision is entirely on you.
Passing Bicyclists
A growing number of states allow drivers to cross a solid yellow line to pass a bicyclist, provided the move can be made safely and the driver gives the minimum required clearance. That clearance is typically three feet, though some states require four. Not every state has adopted this exception, so check your local traffic code if you share the road with cyclists regularly.
Signs That Back Up the Paint
Pavement markings often work alongside signs. The rectangular white “DO NOT PASS” sign (R4-1 in the federal catalog) can be posted at the start of a no-passing zone and repeated inside it. The pennant-shaped yellow “NO PASSING ZONE” sign (W14-3) mounts on the left side of the road at the beginning of the zone.
If a sign and the paint seem to disagree, follow the more restrictive instruction. Faded paint and snow cover are the usual reasons for the mismatch, and the sign is more likely to reflect current conditions. In a work zone, temporary signs and orange markings override the permanent yellow lines.
What an Illegal Pass Costs
Penalties vary by state, but the structure is similar across the country. A first offense usually brings a fine and points on your license. Point values range from as few as two in some states to four or more in others. Enough points in a set window can trigger a license suspension, higher insurance premiums, or both. A violation that contributes to a crash carries steeper penalties.
The ticket is the cheapest part of the mistake. A head-on collision on a two-lane road at highway speed is among the most lethal crash types, and insurers price convictions accordingly. Even a single illegal-passing conviction can push your premium up noticeably at renewal.