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Plans & Studies

Airport Overland Corridor Study & Amendment | 2020

39th Street Alternative Study | 2020

SH-45 Realignment Benefit-Cost Study | 2020

Bike & Pedestrian Master Plan | 2020

Transportation Master Plan | 2019

  • Nampa CIP by Year**

  • Nampa CIP**

Franklin - Karcher Roundabout Concept Memo | 2017
12th Avenue Safety & Access Study | 2016

SH-45 Realignment Concept | 2014

  • Concept Section 1

  • Concept Section 2 | Reduced Alternate Solutions & Costs

  • Concept Section 3 | Existing & Future Traffic Deficiencies 

  • Concept Section 3 | Roundabout Analysis Technical Memo

  • Concept Section 4 | Safety Evaluation & 2658

  • Concept Section 5 | Appendix C & EDR Report

  • Concept Section 5 | Environmental Scan

  • Concept Section 6 | Final Phase IA

  • Concept Section 7 | Stormwater Drainage Memo

  • Concept Section 8 | Additional Design Elements

  • Impact Graphic

RPZ (Runway Protection Zone) Shift Analysis Text Only | 2012

RPZ (Runway Protection Zone) Shift Analysis | 2012

Airport Overland Corridor Plan | 2011

Downtown Traffic Alternative Analysis - Final Report | 2010

Demographics Forecast & Land Use Analysis | 2008

Citywide GPS Control Network | 2002 & 2006

**PLEASE NOTE: These files will require users to have access to Google Earth. Residents who need additional assistance can find step-by-step instructions here. 

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  1. Engineering Division

    Email the Engineering Division

    Physical Address
    Nampa Development Services Center
    500 12th Ave S
    Nampa, ID 83651

    Phone: (208) 468-5409

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  1. Development Services
    500 12th Ave S 
    Nampa, ID 83651

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    8 a.m. - 5 p.m.

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