Resolution No 36-2021 - Adopting Revised Construction Standards and Specifications

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SECTION 2 – STREETS, WALKWAYS & PATHS 9 requirements provided herein are further described in Section 1-3 Variance Process. These requests require supporting information, justification(s), and rationale for approval by the City. 2-2.2 STREET CLASSIFICATION Typically, street classification in the City of South Bend is based upon the context of the area served by the street and the amount and type of vehicular traffic. As the purpose of the street t ransitions from transit to commercial to residential, the classification and associated design criteria for the street also changes. Table 2-2.2 (1) below should be used to classify City of South Bend Streets: Table 2-2.2(1) Classification AADT Lanes Speed (mph) Notes Arterial >15,000 3 to 5 30-40 mph 25 mph* Major Streets per Subdivision Ordinance Design Vehicle: WB-65 (IDV) Collector 3,000-15,000 2 to 3 30 mph Design Vehicle: Incidental WB-40 Residential <3,000 2 25-30 mph Minor Streets per Subdivision Ordinance Design Vehicle: SU Alley NA 1 15 mph Design Vehicle: SU * Limited to Central Business District and Complete Streets Considerations. Arterial and Collector roadway functional classifications are maintained by the Federal Highway Administration through the Indiana Department of Transportation. In some instances, criteria will not be entirely met for a given classification. In these cases, the City will make the classification determination. 2-2.3 TYPICAL SECTION The typical roadway section for any given classification plays an integral role in achieving the desired functionality of a street. Vehicle speed, traffic volume, parking opportunities, and space available for various amenities are all closely tied to the street typical section. Table 2-2.3(1) below defines the desirable typical section for each street classification within the City: Table 2-2.3(1) Classification Right-of-Way Travel Lanes 2-way Left Turn Bike Lanes Parking No. Width Arterial 80 - 120 feet 4 11 feet Varies No No Collector 60.00 feet 2 11 feet 1 – 11 feet* Optional ** Varies Residential 50 - 60 feet 2 11 feet No Optional 2 – 8 feet Alley 1 12 feet No No No *Twelve (12) foot lane width should be considered where truck traffic warrants. ** Required on City designated bikeways and routes. Per the City’s Complete Streets Policy, sidewalks should be included along all streets unless specific exclusion is approved by the City Engineer. Sidewalks should desirably be located inside the Right-of-Way to allow room for repair of the sidewalk. It is strongly recommended that utilities be located underground outside the Right-of-Way in a separate easement. Underground utilities located in the parkway or tree-lawn should be located as near to the curb as possible to allow space for vegetation and ornamental light pole foundations near the sidewalk. Underground utilities within alleyways shall have be located a minimum of 18.00 inches below ground. Above grade