2020 to 2025 Six-Year Transportation Improvement Plan (PDF) 2019 to 2024 Six-Year Transportation Improvement Plan (PDF) 2018 to 2023 Six-Year Transportation Improvement Plan (PDF) 2017 to 2022 Six-Year Transportation Improvement Plan (PDF) 2016 to 2021 Six-Year Transportation Improvement Plan (PDF) 2015 to 2020 Six-Year Transportation Improvement Plan (PDF)