| ILA with TxDOT for inspection and testing 2016 |
| SH360 Project Agreement 1st Amendment |
| ILA between TTA, TxDOT, City of Laredo and FHWA to plan, construct and operate Laredo Toll Bridge 4 |
| ILA with TxDOT for material testing_1982 |
| ILA with TxDOT for material testing_1990 |
| ILA with TxDOT regarding the South Texas Bridge |
| ILA with TxDOT to equally fund construction and operation of storm water monitoring station |
| ILA with TxDOT to jointly fund the feasibility of Abilene and Wichita Falls Turnpike |
| ILA with TxDOT for reimbursement of cost for dual fueled vehicles |
| ILA with TxDOT to conduct feasibility studies for 130T |
| ILA with TxDOT and TTA for construction of SH 190 |
| ILA with TxDOT to conduct investment grad feasibility study for SH 190 |
| Two party agreement with TxDOT for PGBT, Seg 5 |
| ILA with TxDOT to supply roadway construction and maintenance materials to TTA |
| ILA with TxDOT regarding total stationing equipment |
| ILA with TxDOT regarding access to TX Motor Vehicle Title and Registration database |
| ILA with TxDOT for cooperative testing |
| Design and Construct Agreement with TxDOT for SH121 (2001) |
| ILA with TxDOT regarding reimbursement for costs on SH 121 and DNT interchange |
| ILA with TxDOT for material testing, inspection |
| ILA with TxDOT for STP-MM Mobility Assistance Program |
| ILA with TxDOT regarding non-revenue tolltag licenses |
| ILA with TxDOT for joint use and termination of Industrial Blvd |
| ILA with TxDOT to design and construct DNT to IH635 ramp |
| ILA with TxDOT for material inspection and testing |
| ILA with TxDOT for material testing |
| Memorandum of Understanding with TxDOT regarding CDA projects |
| Memorandum of Understanding with TxDOT regarding development of toll roads |
| ILA with TxDOT regarding design and PGBT-EE and IH 30 interchange |
| Memorandum of Understanding on financial model SH161 |
| Memorandum of Understanding on market valuation of SH161 |
| Interim SH 121 Tolling Services Agreement with TxDOT |
| Memorandum of Understanding with TxDOT on negotiated value for SH161 |
| First Amendment to PGBT EE Project Agmt |
| Term Sheet with TxDOT for SH 161 Support |
| TSA Performance Security, SH 121 market rate adjust |
| ILA with TxDOT for material testing 2010 |
| ILA with TxDOT for DNT-IH 635 Interchange Modifications |
| ILA with TxDOT for 2 yrs of material testing |
| ILA with TxDOT for fiber optic cable use |
| ILA with TxDOT for material testing services 2014 |
| ILA with TxDOT Dallas District to perform sketch-level planning and toll evaluations for various projects |
| ILA with TxDOT Fort Worth District to perform sketch-level planning toll evaluations for various projects |
| ILA with TxDOT, Dallas County and City of Dallas to expand DNT in Sect. I and II and Oak Lawn |
| Multiple Use Agrement with TxDOT-DART for parking facility on PGBT |
| Multiple Use Agreement with DART, TxDOT regarding property between PGBT and I75, Part 1 |
| Multiple Use Agreement with DART, TxDOT regarding property between PGBT and I75, Part 2 |
| ILA with TxDOT, DART and Mobility Technologies regarding Intelligent Transportation Infrastructure |
| ILA with TxDOT and FHWA regarding costs eligible for Federal aid for PGBT |
| ILA with TxDOT to supply roadway construction materials on 3 TTA projects |
| ILA with TxDOT for annual material procurement |
| Crossing Agreement with UPRR, City of Grand Prairie, TxDOT on SH161 |