Here’s the sitch at the foot of Grove Street these days.
See? Traffic moving inbound, west towards Market Street, backs up to Polk sometimes:
Click to expand
The thing about that is that not many cars can make it through each traffic signal cycle, so it might take ten minutes to go 1.5 blocks.
There’s a bike lane in there inbound on the right, but, as you can see, it oftentimes gets blocked by double-parked cars and private bus lines like that from the CPMC.
Cyclists are rightly tempted to just take the little-used outbound lane to get to Market.