I-99 east coast section and existing Bedford, Pennsylvania, I-99 section by having I-99 travel concurrently with existing interstates including I-476 and I-76. See also Interstate 66 (Kansas–Kentucky), proposed but later canceled Interstate 69, a partially constructed Interstate Highway consisting of 10 unconnected segments, plus an original continuous segment from Indianapolis to the Canadian border in Port Huron, Michigan. Plans include building a continuous Interstate Highway from the Mexican border in Laredo, Texas to Port Huron, Michigan. Interstate 73, an Interstate located entirely in North Carolina but with plans to run from Myrtle Beach, South Carolina, to northern Michigan References External links Future Interstates and Potential Interstate Corridors at Interstate-Guide.com North Carolina's New and Future Interstates at Malmeroads.net Lists of proposals