LASALLE COUNTY
HIGHWAY DEPARTMENT



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LaSalle County Maps

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Official Highway Map

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Highway Access Map
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Spring Weight Postings
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County Highway Weight Limits
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County Traffic Map

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LaSalle County Highway
Office Location

Road Identification and Addressing System

The Rural Reference and Addressing System was
established in 1974 through a Federal Highway Safety
Program grant. Addresses are referenced from the
county base line which is the very south boundary
of the county and the county meridian line which
is the west boundary of the county.

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