sentences:  With much of the route already built and at Interstate standards through Memphis, the FHWA authorized TDOT to sign I-69 over I-55, I-240 and I-40 on January 18, 2008; however, TDOT has done so.However, it has and still is signed as an "I-69 FUTURE CORRIDOR".The Tennessee Department of Transportation has suspended work indefinitely on the unbuilt section between TN-300 and the proposed interchange with I-269 near Millington due to a lack of funding.