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Public works project evaluation system of Yokohama-shi

With public works project evaluation system

It is intended that we plan improvement of effectiveness of public works project and transparency in conduct process by evaluating the need or effect of business objectively, and announcing before business start about public works project that city carries out in each stage until after completion.


Plan stage Under business operation After business completion
Prior evaluation Reevaluation Subsequent evaluation
Evaluation of validity of business start Evaluation of right or wrong of business continuation Confirmation of business effect
Feedback to similar business

We judge validity of business operation from viewpoints such as the need or effect of business before starting public works project. In conduct of prior evaluation, we raise citizen opinions and announce "opinion" and "opinion of city for opinion".

We evaluate business effect, progress targeting at business continuing after business of non-start of construction and business start after business adoption for a long term for a long term and decide future correspondence policy (continuation / cancellation).

After business completion, we confirm business effects and examine appropriate improvement measures as needed and are intended that we let reviews of the way and business evaluation technique of plan, investigation of same kind business reflect the result.


■Summary pdf(Portable Document Format 156KB) of public works project evaluation system

Yokohama-shi public works project evaluation conduct summary pdf(Portable Document Format 151KB)
 ■The Yokohama-shi public works project evaluation conduct summary acting director point pdf(Portable Document Format 375KB)


※It is ... with public works project in this system

In this system, city which included from base facilities such as road, park, the sewer to building or facilities becomes driven by business and aims at maintenance business of all facilities carrying out for evaluation.


Business evaluation this year

 2017 

The results of public works project evaluation

 2016
  2015 

2014 

 2013 

2012 

 2011 

 2010 

 2009 

 2008 

 2007 

 2006 

 2005 

 2004 



Yokohama-shi public works project evaluation Committee

About validity of conduct, continuation of business targeted for evaluation or the need of improvement measures, we hear opinion from "Yokohama-shi public works project evaluation committee" to raise objectivity of Yokohama-shi public works project evaluation.
Committee is constructed by people of learning and experience of each specialized field of engineering system, environmental system, economy, social system.


Yokohama-shi public works project evaluation Committee administration summary pdf(Portable Document Format 126KB) 

■The point pdf(Portable Document Format 121KB) about hearing of Yokohama-shi public works project evaluation Committee 

Yokohama-shi public works project evaluation Committee committee list



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