1 min video · safe-or-risky quiz
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Day 251: Black ice routes. Short read plus a 2-minute exercise. Ends with a checklist. Week 36 of the year-long curriculum. Here are the rules for this one. Here's the split-second that matters: a Midtown avenue at rush hour. The play is the same every time. Black ice forms where water collects and refreezes: shaded curb cuts, building drips, bridge approaches. Pick routes that avoid these. Make it a habit by the end of this week. Three things to do. Do 1: Choose sunny sides of streets after a freeze-thaw cycle. Do 2: Test suspicious patches with one foot before committing. Do 3: Walk flat-footed with short steps on glossy pavement. Three things to avoid. Avoid 1: Shortcuts through shaded alleys after a thaw. Avoid 2: Stepping onto metal plates in the cold without testing. Avoid 3: Crossing a slick curb cut at your normal pace. Why this matters: Black ice falls happen at predictable spots, and most are preventable by picking a different sidewalk for the morning commute. Safe move: Pausing before a turning SUV until the driver makes eye contact. Confirming the driver sees you is the single best habit at a corner. 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: Looking both ways on a one-way street every single time. Covers the wrong-way cyclist, scooter, or driver you did not plan for. Risky move: Following a runner who crosses against the light. Their gap is not your gap. Decide for yourself at every crossing. Safe move: Using the push button at intersections that have one. It often extends the walk phase — more time to finish the crossing safely. Risky move: Crossing a wide avenue without checking the median for turning traffic. Medians hide left-turning cars accelerating across your second half of the crossing. Safe move: Pulling out one earbud as you approach an intersection. Restoring your hearing restores most of your situational awareness. Safe move: Standing behind the tactile strip until the train fully stops. Keeps you outside the danger zone for sway, suction, and the platform gap. 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: 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. 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. Risky move: Crossing diagonally through an intersection to save time. Diagonal crossings double your exposure to turning vehicles from every direction. 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. 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: Walking on the building side of the sidewalk on a rainy day. Puts more distance between you and splashing or sliding vehicles. 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: Stepping back from the platform edge as the train pulls in. Gives you margin against sway, wind, and accidental bumps. 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: Waiting a full beat after the light changes before stepping off. Late-runners and last-second turners clear the box in that beat. 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. Watch the clip, then decide which of these reads is the safer call for black ice routes.
Pausing before a turning SUV until the driver makes eye contact.
Is this safe or risky?