Express Pool and Pool include an up to 2 minute wait to give other riders a chance to make a request in the same area or along the route. Express Pool often feels much faster than Pool because they ask the rider to walk towards main streets and I notice it helps the driver avoid having to drive around city blocks unnecessarily. I think Lyft Line is the same offering as Uber Pool and doesn’t require a 10 min wait (but the wait could be that long if there aren’t drivers nearby or it’s totally possible that they used to add a 10min wait). Perhaps the thing you’re thinking of is called Lyft Shuttle now?

F.D. I work for Uber, but not in the rides business.