Analysis of the Vehicle Inventory and Use Survey for Trucks ... - About

# The next five largest state truck populations were Illinois (6.24%), Texas (5.5%), Ohio
(4.38%), Florida (4.04%), and Pennsylvania (3.81%). These states account for one-quarter
of the total fleet.
CHANGES BETWEEN 1992 AND 1997
# Nationwide, the total truck fleet increased in size by 6% between 1992 and 1997.
# Regionally, the Southern Gulf region experienced the most growth in their truck population
(+27%). The North Central region (+13%), North East region (+3%), Southern Atlantic
(+1%) and the West (+12%). No regions experienced a decrease in truck population, as
was evident between 1987 and 1992.
# For the States,
- California's share of the total truck fleet has decreased slightly (-1%) between 1992 and
1997 in contrast to a growth of over 9% between 1987 and 1992.
3.3 Size and Make-up of the 4-Axles or Less Fleet
The 1997 “4-axles or less” truck fleet, which is a subsection of the total truck fleet, is briefly
discussed in this section of the report as supported in Table 3.2-1 and in Appendix A. Note that
this part of the fleet is not the emphasis of this report. It is worth noting that over two-thirds of
the total national truck fleet (67%) were single-unit straight trucks. This included 2-axle 6-tire
straight trucks, 3-axle and 4-axle straight trucks. Making the 4-axle or less vehicles the largest
portion of commercial truck fleet.
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