beyonce st. francis circle -- so from st. francis circle to balboa, you would not be able to make an adjustment in the train service to put it on time. that is significant, especially when you look at the bottleneck in the travel, the stock plans -- the stop signs and lights along ocean avenue, that has a significant impact on the on- time performance of the whole line. i think part of the other bottleneck for congestion on on- time performance is the area around fourth and king, not just because of the ballpark, but because we are occasionally impacted by the bridge going up, and some of the congestion that occurs around caltrain and off the freeway. in terms of operating challenges, there are some bottlenecks on that the system from traffic and congestion. there is some flexibility that exists on the third street site, but not on the k-t side in terms of our ability to adjust the service. the biggest operating challenge we have right now, not just on this line but the whole subway system, is the age and condition of our flee