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B1: Crossroads with a minor ahead
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B2: Crossroad with a major road ahead
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B3: Side road on the left ahead
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B3: Side road on the right ahead
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B4: Staggered junction ahead
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B4: Staggered junction ahead
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B5: T-junction ahead
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B6: Y-junction ahead
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B7: Traffic merges from left
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B8: Traffic merges from right
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B9: Roundabout ahead
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B10: Sharp bend to the left ahead
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B10: Sharp bend to the right ahead
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B11: Hairpin bend to the left ahead
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B11: Hairpin bend to the right ahead
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B12: Double bend ahead first to the left
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B12: Double bend ahead first to the right
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B13: Sharp bend to the left
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B13: Sharp bend to the right
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B13: Sharp bend to the left
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B13: Sharp bend to the right
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B14: Road narrows on both sides
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B15: Road narrows on left sides
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B15: Road narrows on right sides
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B16: Dual carriageway ends ahead
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B17: Traffic signals ahead
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B18: Steep hill downwards
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B19: Steep hill upwards
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B20: Height limit ahead
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B21: Two-way traffic straight ahead
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B22: Two-way traffic crosses one way road
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B23: Pedestrian crossing ahead
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B24: Pedestrians in road ahead
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B25: Children ahead
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B26: Cattle ahead
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B27: Wild animals ahead
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B28: Unprotected quayside or riverbank ahead
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B29: Uneven road
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B30: Slippery road surface ahead
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B31: Road hump
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B32: Low-flying aircraft ahead
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B33: Falling rocks
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B33: Falling rocks
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B34: Dangerous dip
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B35: Narrow bridge ahead
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B36: Other danger ahead
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B37: Checkpoint ahead
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B38: Roadworks ahead
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B39: Loose chippings
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B40: Railway level crossing ahead without gate or barrier
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B41: Railway level crossing ahead with gate or barrier
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B42: Diversion ahead
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B43: Dangerous obstruction (Verges)
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B43: Dangerous obstruction (verges)
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B44: Dangerous obstruction (Central reservation)
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B45: T Junction
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B46: Sharp bend
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B46: Sharp bend
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B47: Diversion
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B47: Diversion