Calculating Axle Adjustment Factors from Count Data
Lucas County		SR 121
Manual		8 AM to 8 PM
Classification		Tuesday, 11/4/03
Count
Number of Axles		Traffic Count	Axles
		vehicles
2	Typical Car	16,714	33,428
3		1,203	3,609
4		523	2,092
5	Typical Semi	2,205	11,025
6		199	1,194	Average Axles	Axle Correction Factor
7		25	175	Per Vehicle	ACF
TOTAL:		20,869	51,523	2.47	0.81
				51,523 / 20,869	2 / 2.47
Jeffrey Buckholz, P.E. - University of North Florida - TTE 4004