Table 1. Summary of entry and egress data.

	Velocity	Run length	n
Entry
Anterograde	0.55 ± 0.05 μm/s	0.4 ± 0.03 μm	68
Retrograde	1.17 ± 0.03 μm/s	7.38 ± 0.47 μm	259
Egress
Anterograde	1.97 ± 0.06 μm/s	13.1 ± 0.6 μm	198
Retrograde	1.28 ± 0.12 μm/s	6.8 ± 1.2 μm	33