What is the meaning of the sign?

1. AEntry is forbidden only to a commercial vehicle whose width is greater than the width recorded on the sign.
2. BEntry is forbidden to a non-motorized vehicle only.
3. CEntry is forbidden to any vehicle whose width or the width of its load is greater than the width recorded on the sign.
4. DEntry is forbidden to a vehicle whose width is less than the width recorded on the sign.

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