Blocking the bike lane: why a quick stop pushes riders into traffic
What happens when you stop in a bike lane, and where to pull over instead
What happens when a car stops in the bike lane
Picture a delivery driver with one bag to drop at a restaurant. There’s no open space at the curb. So the driver pulls into the painted bike lane, flips on the flashers and runs inside. The whole thing takes about a minute.
For the person on a bike coming up behind, that minute looks very different. The lane they were counting on now ends at a bumper. They can stop, if they see it in time and nobody is riding close behind them. Or they can glance back, find a gap and swing out into a lane of cars and trucks moving faster than they are.
Many riders take the second option. That merge is the risky part. A driver coming up in the travel lane may not expect a bike to pop out from behind a parked van. The rider is now squeezed between moving traffic and a stopped vehicle, often right where a door could swing open.
The stopped vehicle also blocks sight lines. A van or SUV in the bike lane hides the rider from drivers waiting to pull out of driveways and side streets. It can hide people on foot who step out between parked cars, too.
Traffic crashes killed 1,103 bicyclists in the United States in 2024. An estimated 52,887 more were injured [5]. About 81% of those deaths happened in urban areas, where most bike lanes are [5]. NHTSA does not track how many crashes begin with a blocked lane. It does place 9% of bicyclist deaths at “other locations,” a group that includes bike lanes, shoulders, driveways and sidewalks [5].
Bike lanes, buffered lanes and protected lanes
The MUTCD, the federal manual for road signs and markings, describes a bike lane as part of the road marked “for preferential use by bicyclists” [6]. The current 11th edition took effect in January 2024 [7]. Cities build three main kinds of bike lanes. A stopped car affects each one a little differently.
Comparison compiled by Safety Behind the Wheel Foundation
| Lane type | What it looks like | What a stopped car does |
|---|---|---|
| Standard bike lane | A painted lane with a solid white line and bike symbols, usually next to traffic or parked cars | Pushes the rider straight into the travel lane, often with little warning |
| Buffered bike lane | A painted lane plus a striped buffer, with no posts or curbs [6] | Fills the buffer and the lane, so the rider loses the extra room from traffic |
| Separated or protected lane | A lane set apart from traffic by posts, curbs, planters or other vertical objects [6] | Harder to block, but a car in a gap or a driveway can trap riders behind the posts with no way around |
Physical barriers make a big difference. Hunter College researchers studied New York City bike lanes in 2019. They counted 0.14 parked vehicles per 10 block visit on protected lanes, compared with 1.14 on painted lanes [8]. Paint is easy to drive over. A curb or a row of posts is much harder to ignore.
How often bike lanes get blocked, and by whom
If you ride in a city, you already know the answer: a lot. Several counts put numbers to it.
- Pittsburgh, 2019. Nearly 70 volunteers with the group BikePGH logged 123 reports of vehicles parking, standing or loading in bike lanes over six hours. One block of Third Avenue was blocked about 50% of the time. Other stretches were blocked 10% to 27% of the time. Causes included passenger pickups and drop offs, deliveries and drivers who stayed parked for up to 30 minutes [2].
- New York City, 2019. Hunter College researchers found 7.5 obstructions on an average 10 block visit, or about 11.5 per mile. Private cars led the list at 2.01 per visit. Trucks came in at 0.30, and taxis, Uber and Lyft at 0.21. Most of the vehicle blockages were brief [8].
- New York City, 2009. An earlier Hunter study found that, more than 60% of the time, a rider ran into a vehicle in the lane within five or six blocks. About 90% of those blockages lasted 10 minutes or less [9].
- Five U.S. cities, 2020. Across 3,666 observations of curb and sidewalk space, parked motor vehicles blocked access 24.7% of the time. For e-scooters, the figure was 1.7%, and for bikes, 0.3%. Ride hailing and food delivery drivers caused more than their share [10].
- San Francisco, 2017. In police data covering April through June, 1,723 of 2,656 traffic citations, about 65%, went to Uber and Lyft drivers. That included 183 of 239 citations for blocking a traffic lane or a bike lane [11].
Put together, the counts point to two groups. Personal cars do much of the blocking, mostly because there are so many of them. Rideshare and delivery drivers, who stop again and again during a shift, add a large share on busy commercial streets. Nearly all of these blockages are short stops, which is exactly why drivers tend to think they don’t matter.
Why a short stop is still dangerous
Most drivers who stop in a bike lane mean no harm. They’re thinking about the next 60 seconds: grab the coffee, hand off the package, let a passenger out. The rider coming up behind them has a much tighter clock.
In a Manhattan study published in 2023, researchers watched 988 people ride through protected bike lanes. About 1 in 4 of them, 232 riders, ran into something blocking the lane. Of those obstructions, 82% were vehicles. Of the riders who met a blockage, 87.93% got around it by riding into the traffic lane [1].
Riders around Boston describe the same habit. The Boston Region Metropolitan Planning Organization surveyed 1,298 people in 2024. Of those, 87% said they get around obstructions by moving into the travel lane. Most, 85%, said they at least sometimes change their route to avoid blocked lanes. And 76% said they often find parked vehicles in bike lanes with no buffer. Only 24% said the same about lanes with a physical barrier [12].
Does that swerve lead to crashes? A study by the Insurance Institute for Highway Safety (IIHS) suggests it does. Researchers interviewed 604 bicyclists treated in emergency rooms in Washington, D.C., New York City and Portland, Oregon. When construction, parked cars or other temporary obstacles blocked a rider’s path, the odds of a crash or fall more than doubled [3].
Three ways a blocked lane sets up a crash
- The merge. The rider moves left into traffic, sometimes without time for a good look back. A driver closing in from behind may have only a second or two to react.
- The door. Squeezing around a stopped car puts the rider close to its doors and to the doors of cars parked nearby. Researchers who studied Manhattan bike lanes noted that blockages can force riders to approach parked cars, which raises the risk of being doored [13].
- The hidden rider. A stopped van hides the rider from a driver waiting to turn out of a driveway or side street. It also hides that turning car from the rider.
Some riders hop onto the sidewalk instead, which just moves the conflict to people walking.
What the law says
Rules differ from place to place. Many are stricter than drivers expect. A few examples show the range.
- New York City lists “stopping, standing or parking within a marked bicycle lane” as a parking violation, with a $115 fine [4]. The state driver’s manual tells drivers they are prohibited from driving in bike lanes [14].
- California bars drivers from parking or leaving a vehicle on a bikeway in a way that blocks the normal movement of riders [15]. Drivers may enter a bike lane only for a few reasons: to park where parking is allowed, to enter or leave the road, or to turn [16]. For a turn, they may enter within 200 feet of the intersection [16]. The state’s driver handbook lists double parking among the places you may never park [17].
- Pittsburgh changed its code in December 2021 so that stopping, standing and parking are banned in bike lanes. The city council passed it unanimously, with an exception for paratransit vehicles [18].
Drivers often have a ready reason for a quick stop. Here is how those reasons hold up.
Comparison compiled by Safety Behind the Wheel Foundation
| What drivers say | What really happens |
|---|---|
| “I’ll only be a minute.” | Most blockages are short, but a rider can reach you in seconds. New York City’s rule covers stopping as well as parking [4]. |
| “My hazard lights are on.” | Flashers warn others that you’ve stopped. They don’t create a legal parking space. Florida, for example, allows flashing hazard lights to show a vehicle is lawfully stopped or disabled [19]. |
| “There was nowhere else to stop.” | A legal spot is often half a block away, on a side street or in a loading zone. |
| “The passenger wanted out here.” | The driver picks where the car stops and is the one who gets the ticket. |
| “Nobody was riding by.” | Riders show up fast. At 12 mph, a bike covers about 18 feet every second. |
Where to stop instead
The goal is to keep the bike lane clear, even for a minute. Most of the time that takes a little planning before you reach the address.
For rideshare and delivery drivers
Drivers who stop dozens of times a shift face the most time pressure. A plan made before the shift starts helps the most.
- When the main street has a bike lane, set the pickup point on a side street or at a marked passenger zone.
- Message your passenger to meet you at a legal spot rather than in front of the door.
- Pull fully into a legal curb space so the passenger can step straight onto the sidewalk.
- On routes you drive often, learn where the loading zones are. Many cities have added more of them in recent years.
- If you work for a company, ask for delivery windows that leave time to park legally. A schedule with no slack makes a bike lane stop tempting.
For parents and quick errands
School pickup lines, coffee runs and package drop offs are some of the most common bike lane stops. If your school’s car line spills into a bike lane, tell the school and ask about a different loading area or staggered pickup times. Parking a block away and walking can be faster than waiting in a line of idling cars.
How cities are making legal stops easier
Cities have learned that tickets alone don’t fix the problem. Drivers need somewhere legal to stop.
Seattle tested longer passenger load zones, stretching them from 20 feet to 274 feet. It also added geofencing, a digital boundary that steers rideshare pickups to a set spot. The result was fewer pickups and drop offs in the travel lane [20]. Pittsburgh grew its network of smart loading zones, curb spaces set aside for short loading stops, from 20 in 2021 to 200 in 2024 [12].
Enforcement is harder. In New York City, residents filed more than 76,000 complaints about blocked bike lanes through the city’s 311 system starting in October 2016. A Streetsblog analysis found that police issued tickets for just 1.9% of them, compared with 16% for other kinds of 311 complaints. Officers took an average of 3 hours and 35 minutes to respond and reported “no evidence” in more than 60% of cases [21]. By the time help arrives, a quick stop is long gone.
Cameras may change that math. New York’s bus camera program tickets drivers who double park or block bus stops along 76 bus routes. A camera flags a double parked vehicle after about 2.5 minutes. Fines start at $50 and can rise to $250 [22]. A review prepared for the Boston planning group found that every city using bus lane cameras saw fewer vehicles blocking the lane [12]. In Philadelphia, bike lane tickets rose tenfold in the year after a bike lane enforcement unit launched in May 2023 [12]. Whether cameras will watch bike lanes on a wide scale is still an open question.
If you ride: handling a blocked lane
You can’t control where drivers stop, but you can plan for it.
- Scan well ahead. Flashers, brake lights or an open trunk are your cue to check behind you early.
- Look over your shoulder before you move left. Signal if you can do it safely.
- Slow down and leave extra room around the stopped vehicle in case a door opens.
- In heavy traffic, stopping and waiting behind the vehicle is a reasonable choice.
- Report spots that are blocked again and again. A record of repeat problems gives your city something to work from when it plans loading zones or posts.
Frequently asked questions
Is it legal to stop in a bike lane for just a minute?
In many places, no. New York City’s rule covers stopping as well as parking, with a $115 fine [4]. Pittsburgh bans stopping, standing and parking in bike lanes [18]. California bars leaving a vehicle on a bikeway in a way that blocks riders [15]. Rules vary, so check your city’s parking rules.
Do hazard lights make a quick stop OK?
No. Flashers warn other road users that you’ve stopped. But we found no rule that lets them turn a bike lane into a parking space. Florida, for example, allows flashing hazard lights to show that a vehicle is lawfully stopped or disabled [19].
Can I drive in the bike lane to make a right turn?
That depends on the state. California lets drivers enter a bike lane within 200 feet of a turn, after checking for riders [16]. New York’s driver’s manual says drivers are prohibited from driving in bike lanes [14]. Learn the rule for your state. Always check your mirror and blind spot first.
Can I let my rideshare passenger out in the bike lane?
Not in New York City or Pittsburgh, where stopping in a bike lane is against the rules [4, 18]. Pittsburgh’s exception covers paratransit vehicles only [18]. Everywhere else, the safest choice is the same: pull to a legal curb space or onto a side street.
What if there’s no “No Parking” sign?
Don’t take that as permission. New York City’s rule applies with or without a sign [4]. California’s legal definition of a standard bike lane allows vehicle parking in some cases [23]. Yet state law still bars blocking riders [15]. When in doubt, don’t stop there.
The bottom line
Recommendation from Safety Behind the Wheel Foundation
A bike lane is a travel lane for people on bikes. When a car stops in it, the rider loses that lane all at once. They have to find room in traffic that was never meant for them. The research lines up: blockages are common, most are short and most riders respond by swerving into traffic.
The fix is in the driver’s hands. Plan your stop, use a legal curb space or loading zone, take the side street and walk the extra half block. A few seconds of inconvenience for you keeps someone else from making a split second choice in moving traffic.
Related articles
- Bicycle, e-bike and scooter safety: how drivers and riders share the road
- Bicycle and e-bike laws by state: where to ride, helmets, passing rules
- Protected bike lane separators and pedestrian refuge islands: how they work
- Lane changes and blind spots: a safe routine every driver can use
- Workplace motor vehicle safety program: a step by step employer guide
Sources and further reading
- 1Basch CH, Ethan D, Fera J, Kollia B, Basch CE. “Micromobility Vehicles, Obstructions, and Rider Safety Behaviors in New York City Bike Lanes.” Journal of Community Health 48(3):522-527, 2023. doi.org/10.1007/s10900-023-01197-6
- 2BikePGH. “Bike lanes blocked for up to 50% of the time, according to our data.” Protected Bike Lane Project. October 29, 2019. bikepgh.org/…/bike-lanes-blocked-for-up-t…
- 3Cicchino JB, et al. “Not all protected bike lanes are the same: Infrastructure and risk of cyclist collisions and falls leading to emergency department visits in three U.S. cities.” Accident Analysis and Prevention 141:105490, 2020. doi.org/10.1016/j.aap.2020.105490
- 4NYC Department of Finance. “Parking Violation Codes” (code 48). Accessed October 2026. nyc.gov/…/services-violation-codes.pa…
- 5National Highway Traffic Safety Administration (NHTSA). “Bicyclists and Other Cyclists: 2024 Data” (DOT HS 813 822). July 2026. crashstats.nhtsa.dot.gov/…/813822
- 6California Department of Transportation (Caltrans), California Traffic Control Devices Committee. “California MUTCD 2026 draft, Chapter 9E text,” reproducing federal MUTCD 11th Edition Sections 9E.01, 9E.06 and 9E.07. July 8, 2025. dot.ca.gov/…/20250708-ctcdc-item-25-13-a…
- 7Federal Highway Administration (FHWA). “Manual on Uniform Traffic Control Devices (MUTCD),” edition and revision dates. Accessed October 2026. mutcd.fhwa.dot.gov/index.htm
- 8Tuckel P, Pok-Carabalona K. “Bike Lanes or Blocked Lanes: An Observational Study of Obstructions of New York City’s Bike Lanes.” Hunter College, City University of New York. Observations September to October 2019. hunter.cuny.edu/…/file
- 9Cavaliere V. “Get Out of My Bike Lane.” NBC New York, December 2, 2009 (reporting a 2009 Hunter College study). nbcnewyork.com/…/2117520
- 10Brown AE, Klein NJ, Thigpen C, Williams N. “Impeding access: The frequency and characteristics of improper scooter, bike, and car parking.” Transportation Research Interdisciplinary Perspectives 4:100099, 2020. doi.org/10.1016/j.trip.2020.100099
- 11Streetsblog California. “Supervisor shocked to hear Uber and Lyft violate bike and transit lanes.” September 27, 2017. cal.streetsblog.org/…/supervisor-shocked-to-hear-…
- 12Casiglio K. “Parking in Bike Lanes: Strategies for Safety and Prevention.” Technical memorandum, Boston Region Metropolitan Planning Organization. September 2024. ctps.org/…/2024-09-10%20Parking%20In%2…
- 13Basch CH, Ethan D, Basch CE. “Bike Lane Obstructions in Manhattan, New York City.” Journal of Community Health 44(2):396-399, 2019. doi.org/10.1007/s10900-018-00596-4
- 14New York State Department of Motor Vehicles. “Driver’s Manual, Chapter 11: Sharing the Road.” Accessed October 2026. dmv.ny.gov/about-dmv/chapter-11-sharing-road
- 15California Vehicle Code Section 21211: Bikeway obstruction. Accessed October 2026. california.public.law/…/vehicle_code_section_21211
- 16California Vehicle Code Section 21209: Bicycle lanes. Accessed October 2026. california.public.law/…/vehicle_code_section_21209
- 17California Department of Motor Vehicles. “California Driver Handbook,” sections on navigating the roads and parking. Updated June 2025. dmv.ca.gov/…/california-driver-handbook
- 18Krauss MJ. “New Pittsburgh legislation says designated bike lanes are not potential parking spaces.” WESA, December 6, 2021. wesanews.org/…/new-pittsburgh-legislation-…
- 19Florida Statutes Section 316.2397 (2025): Certain lights prohibited, exceptions. flsenate.gov/Laws/Statutes/2025/0316.2397
- 20Ranjbari A, et al. “Testing Curbside Management Strategies to Mitigate the Impacts of Ridesourcing Services on Traffic.” Transportation Research Record, 2020. Abstract. consensus.app/…/9dc7402197c85f5cbf5b9cede21…
- 21Streetsblog NYC. “NYPD tickets fewer than 2% of blocked bike lane complaints.” April 6, 2023. nyc.streetsblog.org/…/nypd-tickets-fewer-than-2-o…
- 22Metropolitan Transportation Authority (MTA). “Automated Camera Enforcement.” Updated October 12, 2026. mta.info/…/automated-camera-enforcement
- 23California Streets and Highways Code Section 890.4: Bikeway classifications. Accessed October 2026. california.public.law/…/streets_and_highways_code_s…
This article reflects the safety priorities of bicycle safety and city street safety education. It covers why stopping in a bike lane is risky, what some state and city laws say and where to stop instead. It is general education, not legal advice. Laws and fines change, so check your state DMV and city transportation pages. Reviewed October 2026.
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