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Weather & Visibility

Cellar door awareness

1 min video · safe-or-risky quiz

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Key rules

Do

  • Scan the sidewalk for cellar doors when you see a delivery truck.
  • Walk on the building line on commercial blocks during deliveries.
  • Step around an open cellar door, not over it.

Avoid

  • Walking head-down past restaurants and bodegas in the morning.
  • Stepping onto a closed cellar door at full stride — they can shift.
  • Cutting between a delivery truck and the building.

Day 105: Cellar door awareness. Decode the visual and audio cues most New Yorkers miss. Week 15 of the year-long curriculum. Here are the rules for this one. Imagine the next time you walk out the door: a Williamsburg bike-lane-heavy corner. This is where the call gets made. Sidewalk cellar doors open upward without warning, especially in the morning and during deliveries. Scan ahead and route around active blocks. Carry this into the next intersection you cross. Three things to do. Do 1: Scan the sidewalk for cellar doors when you see a delivery truck. Do 2: Walk on the building line on commercial blocks during deliveries. Do 3: Step around an open cellar door, not over it. Three things to avoid. Avoid 1: Walking head-down past restaurants and bodegas in the morning. Avoid 2: Stepping onto a closed cellar door at full stride — they can shift. Avoid 3: Cutting between a delivery truck and the building. Why this matters: Cellar doors cause severe sidewalk falls — open or closed — and most happen because the walker never looked up from the phone. Safe move: Stepping back when a cyclist rings a bell behind you. A bell is a request for space. Giving it prevents a sudden swerve into traffic. Risky move: Crossing diagonally through an intersection to save time. Diagonal crossings double your exposure to turning vehicles from every direction. Safe move: Walking an extra block to a lit, signaled corner after dark. Lighting plus a signal dramatically cuts your risk at night. Risky move: Crossing while looking down at your phone. You miss turning vehicles, cyclists, and silent EVs. Heads up for the whole crossing. Safe move: Pausing audio before stepping into the crosswalk. A second of silence is cheap insurance against the thing you did not see. Risky move: Assuming a driver sees you because their headlights are pointed your way. Headlights illuminate the road, not driver attention. Confirm with eye contact. Safe move: Letting passengers exit the subway car before stepping on. Prevents the shoving that pushes people toward the platform edge. Risky move: Stepping into the street to walk around a construction shed. The shed is narrow for a reason. Stay inside it even if it's slower. Safe move: Letting a right-turning truck complete its turn before stepping off. Removes you from the truck's huge right-side blind spot. Risky move: Stepping off the curb the moment the hand starts flashing. The flashing hand means do not start a new crossing. Wait for the next steady walker. Safe move: Holding kids' hands and keeping them on the inside of the sidewalk. Puts an adult between them and the curb — the simplest, strongest protection. Risky move: Crossing mid-block in dark clothing at night. You are nearly invisible. Walk to the lit corner and use the signal. Safe move: Stopping at the painted edge of a bike lane and looking left first. Exactly the routine that prevents the most common bike-lane collisions. Safe move: Carrying or wearing something reflective on a dark walk home. Reflective gear can double or triple the distance at which drivers see you. Safe move: Walking on the building side of the sidewalk on a rainy day. Puts more distance between you and splashing or sliding vehicles. Risky move: Hopping off the curb to wave down a cab in a moving lane. Drivers behind the cab won't expect a pedestrian in the lane. Wait at the curb. Safe move: Waiting on the curb until the steady white walker appears. Steady walker is your green light. Cross at a normal pace. Risky move: Trusting a turn signal as a promise the driver will yield. A blinker shows intent, not yielding. Wait until the vehicle actually slows. Safe move: Crossing only at the marked crosswalk even if it adds 20 seconds. Drivers expect pedestrians at corners and almost never expect them mid-block. Risky move: Sprinting across on a solid red hand because traffic looks clear. Turning vehicles and e-bikes appear fast. The signal protects you from things you cannot see. Watch the clip, then decide which of these reads is the safer call for cellar door awareness.

Spot the behavior
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Stepping back when a cyclist rings a bell behind you.

Is this safe or risky?