A homeowners association and three Ascension Parish residents known collectively as Concerned Citizens of Prairieville have asked a state district judge to halt the final step necessary to approve the 172-home Jamestown Crossing subdivision.  In a lawsuit, the plaintiffs accuse the Ascension Parish Planning Commission of violating a parish prohibition on building new subdivisions that empty onto roads narrower than 18 feet wide when commissioners approved the Prairieville-area subdivision May 9 amid strong neighborhood opposition.    Read the article……………..