| Comment | You might sometimes get a bit of pressure from a particularly steep bit of motorway but I don't think there's any motorway where the slope is so steep you should be experiencing that level of pain just from the elevation change. Motorways tend to avoid that kind of slope by design. If it started since you were on a flight I'd get in to see a doctor, you might have picked up an inner ear infection or suffered some pressurisation damage that's making you particularly sensitive to the pressure change. |
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