The following plan sheet, layout and traffic information for mainline, cross streets, arterials and ramps are necessary for noise studies to be performed. Electronic files are preferred.
Plan Sheets:
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Existing and proposed alignment.
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Existing and proposed channelization.
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Existing and proposed roadway profiles.
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Proposed jersey barriers or guardrails.
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Sedimentation ponds, regrading, and clearing limits.
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Cross sections. 15 m intervals.
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Existing and proposed right of way.
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Contours, showing homes and businesses within 150 m of the R/W.
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Existing and proposed walls.
Traffic Data:
- AM and PM peak hour traffic for existing and design year for all alternatives including Build and No Build. Depending on the project, additional hours may be required.
- Traffic vehicle mix (percentages) for existing and design year.
- Automobiles
- Medium Trucks (6 tires - AASHTO Class 2D)
- Heavy Trucks (more than 6 tires)
- Posted speeds and driving speed during peak hour for all roadways.
Current Land Use:
Map with legend showing the various zoning throughout the project limits. For example: commercial, residential, agricultural, etc...