The Fort Worth District of the Texas Department of Transportation (TxDOT) has requested private sector proposals to speed up development of the North Tarrant Express. Approximately one-quarter of the needed funding has been identified by the region for the North Tarrant Express. A public-private partnership could accelerate the start of construction by several years. The North Tarrant Express is a 36-mile project along the I-35W/I-820/SH 121/SH 183 corridor. The improvements, estimated at $2 billion, will reconstruct and add lanes on I-35W, I-820 and SH 121/183, including express toll-managed lanes. The public-private partnership opportunity calls for developing, financing, constructing, operating, and maintaining the first segment at I-820 from I-35W to the Northeast Interchange, which includes a new multi-level interchange at I-35W. This 6.4-mile segment would include the addition of four tolled, managed express lanes plus one non-toll lane in each direction. Proposals, due by March 2007, will also include development and financing plans for the remaining segments of the North Tarrant Express.