Hawaii has medical marijuana now also, and I see public usage a lot more. A friend witnessed a crime in his front yard and as he was talking to the police there later, he was still rather shook. He asked the cop if he minded if my friend smoked a joint. “I’ve got a medical certificate if you want to see it” he told the cop.
The cop just laughed and told him they don’t bother to try enforcing pot smoking any more. My friend lit up and finished explaining to the cop what he had seen.