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Safety - A Double-Lane Change

Date

Personnel
B.L., S.C. and R.H.


Temperature (°F)
75

Wind Direction
sw

Barometric Pressure (in Hg)
30.0

Humidity (%)
70

Wind Speed (mph)
5


Maximum safe speed tested for double-lane change to left
40

Maximum safe speed tested for double-lane change to right
40

Comments of the position of the bus during the lane change
A safe profile was maintained up to a speed of 35 mph. At 40 mph the rear of the bus began to "fish-tail." The test driver and test technician exercised their discretion not to attempt 45 mph.

Comments of the tire/ground patch
Tire/ground contact was maintained. Other than the "fish-tailing" at 40 mph, tire/ground contact was maintained.