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US 12/18 and Fish Hatchery Rd. Interchange Improvements - FAQ

Why is the interchange being reconstructed?

• Interchange configuration to be reconstructed to improve operational efficiency along eastbound US 12/18 by reducing conflicts between entering and exiting vehicles.
• This interchange has a higher than average accident rate for similar roadways and current interchange configuration with the entrance loop ramp contributes to the safety problems.
• Existing Fish Hatchery Rd. bridge is not up to current vertical clearance standards over US 12/18.

How will access to US 12 be changed?

• Northbound Fish Hatchery Rd. - westbound US 12/18 entrance loop ramp to be removed. This is to be replaced with a more typical left turn Fish Hatchery Rd. - westbound US 12/18 entrance ramp.

Will Fish Hatchery Rd. remain open to traffic during construction?

• Yes. Construction to be staged to maintain two travel lanes in both directions for Fish Hatchery Rd. traffic the majority of the time.

Will construction cause traffic delays?

• Yes. Minor traffic delays are expected.
• Construction to be staged to minimize impacts to traffic, and to include construction during nighttime and off peak hours.

Will access to businesses be maintained?

• Yes. Access to be maintained during business hours.
• Contractor to coordinate with business owners regarding temporary driveway closures when required by construction activities with at least one access to remain open.

Will there be better accommodations for pedestrians and bicyclists?

• Yes. Fish Hatchery Rd. and the bridge to be widened to accommodate sidewalks on both sides.
• Designated bicycle lanes to be added to both sides of roadway.
• The realigned Frontage Road to also have sidewalk on one side of the street.

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Questions about the content of this page:
WisDOT Southwest Region Office-Madison, swr.dtsd@dot.wi.gov
Last modified: October 2, 2012