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equivalent to 1,125 automobiles. Recycling vehicles represent the same impact as 525 automobiles." (GBB, pg V-2) - Residential use of a typical cul-de-sac may generate 700-1,400 vehicle trips. A single hauler serving the cul-de-sac exceeds the weekly residential usage with an equivalent of 1,650 automobile trips. Five haulers serving the cul-de- sac in one week create the impact of 8,250 automobiles." o Minor residential street: 4,200-7,000 trips/week; five haulers 8,250 o Local residential collector 7,000-21,000; five haulers 8,250 o City collector street (MSA 9 ton roadway), 21,000-70,000 trips/wk o The pattern is clear. With exception of the MSA streets, solid waste collection vehicles currently serving the City create a significant portion of the relative impact of vehicles on local streets. "(Chanhassen, pg 21) [Note: presumably they are assuming each hauler does both MSW and recycling] - "In general, garbage trucks are the heaviest vehicles that regularly use City streets. The impact that one garbage truck has on a City street equates to roughly 830 cars." (Bonestroo) - "The expected life of any street or alley surface is related to the traffic which is carried by the street or alley. The roadway surface is particularly affected by heavy wheel loads. The effect on a roadway of one refuse truck is equivalent to 1,500 automobiles. This document has been documented by the Research Section of Mn/DOT and is currently used by Mn/DOT in street and highway design." (Metro Council) • - "Garbage collection vehicles are perceived to be very destructive to the roads, especially in the neighborhoods. Yet, there are only estimates of an equal number of car loads for every run of a garbage vehicle. We have not been able to find data which would reflect a "real" monetary savings to the community by the elimination of competitive haulers through organized collection. The weight of the vehicle which results in a negative impact to the road surface is based on the weight per sq. inch of wheel base that meets the road surface. Today all haulers are using third axle or flotation tires which would lessen the impact of weight per sq. inch of wheel base meeting the road surface." (Maplewood haulers' draft proposal, 1996) - Haulers serving Maplewood in 1996 offered an alternative plan, which included: a) city would require haulers to use third axles or flotation tires on their equipment to reduce roadway wear and tear, and b) routing to be cognizant of load-sensitive streets, so that trucks are as empty as possible when service accounts on them - Haulers in Roseville commented: "the number of trucks/vehicles on a street is not the cause of wear and tear on the streets; vehicle weight is the determining factor." (Roseville, pg 17) - Soils: "The cost of constructing and maintaining roadways is generally higher in Chanhassen than in some communities, due to the clay soils prevalent in the community. Protecting the integrity of the local street network may, correspondingly, be a higher priority in Chanhassen than in other communities." (Chanhassen, pg iii) • 4S