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Summary

On March 20, 2013, we issued a report on DOT’s oversight of Phase 2 of the Dulles Corridor Metrorail project. Our audit found that DOT has not fully developed an oversight strategy for Phase 2 because the local funding partners—MWAA and Fairfax and Loudoun Counties—have yet to receive approval of Federal credit assistance for the project. Until Federal credit assistance is approved, there are no obligated Federal dollars to oversee. Therefore, we cannot yet determine if DOT’s oversight of Phase 2 will be sufficient. Further, our assessment of Dulles Toll Road revenue estimates suggests that the assumptions MWAA used to arrive at the estimates are generally reasonable. We are not making recommendations at this time because it is premature to do so until the project is approved for Federal credit assistance. However, several lessons learned from our past audits could be instructive as DOT finalizes its oversight strategy.