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

7.3.2 Review of 3-S2 Tractor-Semitrailer Combinations - 1997
# (3-S2) Low Boy Platform [pop = 4,598 or 3.38% of the 5-axles or more fleet]
- large (500-1,000) sample
- some (20-40%) weigh-out on average
- many (60-80%) never weigh-out
- most (80-100%) operate mostly (80-100%) intra-state
- half (40-60%) of VMT is used for short haul lengths (< 100 miles), some (20-40%) VMT
is used for very long haul lengths (> 500 miles)
- most (80-100%) are narrow (96 inches)
- most (80-100%) are short (< 65 feet)
- Annual VMT—many (60-80%) have a small annual VMT (1,000) sample
- some (20-40%) weigh-out on average
- many (60-80%) never weigh-out
- some (20-40%) operate mainly (60-80%) intra-state, some (20-40%) operate mainly (60-
80%) out-of state
- VMT is used infrequently ( 500 miles)
- most (80-100%) are narrow (96 inches)
- most (80-100%) are short (< 65 feet)
- Annual VMT—mixed
# (3-S2) Livestock Truck [pop = 10,053 or .76% of the 5-axles or more fleet]
- good (250-500) sample
- half (41-60%) weigh-out on average
- half (41-60%) never weigh-out
- some (20-40%) operate mostly (80-100%) intra-state, few ( 500 miles)
- half (40-60%) are narrow (96 inches)
- many (60-80%) are short (< 65 feet)
- Annual VMT—mixed
# (3-S2) Insulated Non-Refrigerated Van [pop = 21,170 or 1.61% of the 5-axles or more
fleet]
- good (250-500) sample
- few (80%) never weigh-out
- few (80%) are wide (102 inches)
- many (60-80%) are long (> 65 feet)
52