Amber Light With a Tailgater, Then a No-Right-Turn-on-Red Sign
It is 4:45 p.m. on a wet November afternoon and you are northbound on a four-lane Winnipeg arterial posted at 50 km/h. Salt brine has left the pavement dark and slick. You are about 25 m from the stop line when the light turns amber; the intersection itself is roughly 20 m wide. A pickup has been sitting about 10 m off your rear bumper since the last light. On the far corner a pedestrian in a parka is standing on the curb holding a coffee, not stepping off. The bottom of your windshield is just beginning to fog. One block past the intersection you plan to turn right, where a sign reads NO RIGHT TURN ON RED and someone has already pushed the crosswalk button at that corner. At 50 km/h you cover about 14 m each second, and your total stopping distance on wet pavement is close to 40 m.
1. The light turns amber at 25 m. Do you stop or continue, and how do the numbers drive that decision?
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Amber means stop if you can do so safely; it does not mean "speed up." The arithmetic settles it: from 50 km/h you need roughly 40 m to stop on wet pavement, and you are only about 25 m from the line. A full stop before the line would require braking far harder than the available distance allows, so you would either slide into the intersection or stop past the line, and the pickup 10 m back has almost no chance to avoid you. The safe choice is to continue through, but only after confirming the intersection is clear: check the pedestrian (still on the curb), watch for a late left-turner, and keep light, steady pressure rather than accelerating hard. Do not reverse if you end up beyond the line, and do not enter on a red. If the distance had been 50 m or the road dry, stopping would have been the correct answer.
2. At the next corner you face a red light and want to turn right. What do you do, and what would change without the sign?
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The NO RIGHT TURN ON RED sign is a regulatory sign, so it removes the general permission to turn right after stopping. You come to a complete stop behind the line, signal right, and wait for the green even if the road looks empty. The push-button detail matters: the pedestrian has requested a walk signal, so when your light goes green you still yield to anyone in the crosswalk before turning, and you check the bike lane or crosswalk on your right for someone moving faster than expected. Without the sign, a right turn on red would be legal in Manitoba after a full stop, provided you yield to pedestrians in the crosswalk and to cross traffic, and provided no other sign prohibits it. The reasoning is hierarchy: a specific regulatory sign overrides the general rule, and yielding to pedestrians sits on top of both.
3. What should you do about the tailgating pickup after you clear the intersection?
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The tailgater must not shape your decision at the light into running a red, but it does legitimately raise the cost of hard braking, which is why it belongs in the amber calculation. Once through, the fix is to rebuild space rather than to teach a lesson. Increase your following distance to the vehicle ahead so you have room to brake gradually instead of sharply, which protects you from being rear-ended. Do not brake-check, do not wave, and do not accelerate to "escape" the truck; both escalate the risk. If the pickup stays glued to your bumper, signal early, let it pass at the first safe opportunity, or change lanes and drop back. When you turn right at the next corner, signal well in advance and slow gradually so the driver behind is not surprised. A tailgater is a hazard you manage by creating time and distance, not by confrontation.