Many interested stakeholders who participated in the AODA Proposed Integrated Accessibility Regulation consultation process from February 1, 2011 to March 18, 2011 are very concerned about the timelines and a number of the requirements related to the implementation of the AODA transportation standard. The cost implications for the transportation standard are believed to be significant. Provisional estimates, for certain smaller transit systems, would see the annual ongoing operating costs equate to upwards of 50 percent of the current operating costs.