What is permissible conduct for operators of authorized emergency vehicles?

Operators of authorized emergency vehicles, such as police cars, ambulances, and fire trucks, have specific privileges when responding to emergencies, which are governed by traffic laws. The correct choice states that it is permissible for these operators to proceed past red signals after slowing down. This conduct acknowledges the need for urgency in emergency situations while still promoting safety.

When an emergency vehicle approaches a red signal, the operator is expected to slow down and ensure that the intersection is clear of pedestrians and other vehicles. This practice minimizes the risk of accidents while allowing the emergency vehicle to continue responding to critical situations without unnecessary delays.

The other options do not reflect permissible conduct. For instance, proceeding without stopping at all signals may sound advantageous but disregards safety procedures that require operators to assess the situation carefully. Disregarding all traffic laws would create chaos and endanger lives, undermining the very purpose of having emergency vehicle privileges. Lastly, turning without signaling does not align with safe driving practices, as it compromises the predictability of drivers' actions on the road, which is crucial for maintaining safety, even for emergency vehicles. Thus, option C represents a balanced approach to operating an emergency vehicle responsibly while fulfilling its duties.