This graph shows two distinct lines. The first is solid red and is labeled A 22 Aptek while the second is solid blue and is labeled B 22 UNI. The vertical axis of this graph ranges from 9.56 to 9.66 and represents X-velocity (millimeters/ms) while the horizontal axis of this graph ranges from 0 to 30 and represents time (milliseconds). Both lines run one on top of the other through the length of the graph, beginning at the points of 9.645 on the vertical axis and zero on the horizontal axis. The two lines then run downward and off the graph at the points of 9.565 on the vertical axis and 30 on the horizontal axis.
FHWA-HRT-05-096