................If the first part^^ is true....................then the second part^^ is untrue.

Commuters, with few exceptions, will take the safest route if one exists. Unless Seattle cyclists are incredibly snobby compared to the rest of the world you are worrying for nothing. Although years ago I tried to ride around Greenlake fitness path at 10 mph on a weekend and it was impossible due to no one obeying the directional arrows printed on the tarmac. It was mayhem and I gave up and just rode on the streets.