Some articles on lcpm:

Least Cost Planning Methodology
... Least-cost planning methodology (LCPM), also referred to as "least-cost planning" (LCP) is a relatively new technique used by economists for making rational decisions about investments in transportation ... LCPM itself is generally more costly than cost–benefit analysis, because of the requirement to study objectively all potential alternatives ... There has been a trend towards making LCPM mandatory for regional transportation plans ...