The two most common signs are "No Parking" and "No Stopping" signs. These signs help reduce parked cars from blocking the street and allow traffic to move more smoothly. There are many parking by-laws found in Markham By-law 2005-188 [PDF].

No Parking: You can't park your car where these signs are posted. You can stop your car for a short period only to load or unload goods or passengers. You can't leave your car unattended.

No Stopping: You can't stop your car where these signs are posted, or load and unload goods or passengers. You can only stop only if directed by a police officer, stop sign or a traffic signal.

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