| Common name for the audio tactile profiled marking a road safety feature (6.5) |
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| Makes for a 'tiring' warning, driver? (6,5) |
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| Feature of road safety guidelines saving boy after a little mishap on journey (6,5) |
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| Road safety feature |
LA Times Daily |
26 Dec 2021 |
| Aid for a sleepy driver |
Wall Street Journal |
10 Sep 2019 |
| Aid for a sleepy driver |
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| Raised piece of corrugated pavement |
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| Raised piece of corrugated pavement |
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