Some signs can be localized, such as No Parking, and some are found only in state and local jurisdictions, as they are based on state or local laws, such as New York City's "Don't Block the Box" signs. These signs are in the R series of signs in the MUTCD and typically in the R series in most state supplements or state MUTCDs.

Some signs can be localized, such as No Parking, and some are found only in state and local jurisdictions, as they are based on state or local laws, such as New York City's "Don't Block the Box" signs. These signs are in the R series of signs in the MUTCD and typically in the R series in most state supplements or state MUTCDs.

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Solid yellow lines separate lanes of traffic moving in opposite directions. A solid yellow line means you may not cross the line into the other lane. Solid yellow lines frequently mark the center of two-lane roads where passing is prohibited. Never cross the solid yellow lines; doing so would mean moving into oncoming traffic. When this type of ...

Mastering the language of traffic sign shapes is a critical component of safe driving. By quickly recognizing these shapes, drivers can anticipate potential hazards, follow regulations, and navigate roads more efficiently and safely.