Williams Bros. Construction begins working with Italian welders to piece together the steel for the Margaret Hunt Hill Bridge.

The first shipment of steel from Italy is on the floodplain at the construction site of the Margaret Hunt Hill Bridge.

The Dallas Morning News reports the steel’s arrival in Dallas “marks a significant step forward for construction… of an emblem of the Dallas skyline.”

Groundwork Dallas and AmeriCorps Volunteers roll more than 150 tires out of an illegal tire dump in the forest for National Trail Days® Celebration Tire Dump Clean Up.

National Trail Days® Celebration for the Texas Buckeye Trail Privet Removal Event is held with the Student Conservation Association and Central Dallas Ministries to renovate a portion of the trail with a river overlook.

The Wetland Planting Event with Groundwork Dallas, Bank of America and the Lewisville Aquatic Ecosystem Research Facility takes place at the 25-acre Wetland Cell G near Loop 12 E.

The Trinity, with Groundwork Dallas and the Lewisville Aquatic Ecosystem Research Facility, celebrates Earth Day by planting aquatic plants at wetlands’ lower chain at Wetland Cell E off I-45 South.

Over the next several months, 16,500 tons of steel will arrive from Italy via Houston’s port.  Thirty cylinder-shaped portions will create the center arch that will be raised 400 feet.

Santiago Calatrava, architect and designer of the Margaret Hunt Hill and Margaret McDermott Bridges, makes a surprise visit and attends a reception hosted by The Trinity Trust.

The 5th Annual Trinity River Levee Run (10K) at Trammell Crow Park hosts more than 800 runners on a new course with vistas of the Dallas skyline, Margaret Hunt Hill Bridge and the Trinity River.

The 4th Annual Great Trinity Forest Adventure Hike in Rochester Park hosts more than 80 compass-wielding participants as they find their way on a trail through a dense forest and beautiful ponds.

Celebrating Martin Luther King Jr. Day, the Student Conservation Association participates in a trail maintenance event at Rochester Park to preserve the trail built by the organization last summer.

The Trinity Trust presents the ALON USA Trinity Speaker Series with Larry Beasley, a special adviser to the Emirate of Abu Dhabi and former director of the Vancouver Planning Department.

The Trinity Overlook Park opens at Beckley Avenue and Commerce Street providing visitors a different view of Dallas from atop the west levees.

The Trinity River Audubon Center opens providing Dallas an opportunity to visit the 6,000-acre Great Trinity Forest and explore the amazing variety of birds and nature within Dallas city limits.

Courtesy of ALON USA, The Trinity Trust unveils its 20-foot long model of The Trinity project, which includes replicas of the Calatrava signature bridges—Margaret Hunt Hill Bridge and Margaret McDermott Bridge.

The Trinity Trust and the City of Dallas host the groundbreaking of Moore Park, the first major connection into the Trinity River Corridor from the Southern Sector.

The ALON USA Trinity Speaker Series presents Todd Howard, principal of t. howard + associates, with a message about becoming better stewards of the environment and “living green” with the Trinity River.

The Trinity Trust and The Dallas Institute of Humanities and Culture partner to present “Designing the Trinity,” centering on the plans for the revitalization and renewal of the Trinity River.

The Trinity Trust holds one of Dallas’ most unique fundraising events—LAUNCH—on the Continental Bridge overlooking downtown Dallas. LAUNCH celebrates The Trinity project.

The Trinity Trust presents the ALON USA Trinity Speaker Series with Larry Beasley, a special adviser to the Emirate of Abu Dhabi and former director of the Vancouver Planning Department.

The Trinity Center opens to the public featuring bridge concepts from Santiago Calatrava, a wall map of The Trinity project and a 20-foot-long model of the development, courtesy of ALON USA.

The master plan for the Moore Park Gateway in Oak Cliff is completed.  The Gateway is projected to positively affect many residents and businesses in the area along the Trinity River.

The Trinity Trust celebrates the beginning of renovations for The Trinity Center, a 5,100 square-foot building that will become the epicenter for discussing forward-thinking and restoration for the Trinity River.

Santiago Calatrava completes the progressive design for the Margaret Hunt Hill Bridge, which will become one of the first landmarks in the reinvigoration of the Trinity River.

The Trinity Commons, Trinity Trust and City of Dallas hold a groundbreaking ceremony for the Margaret Hunt Hill Bridge, featuring guest speakers and a fireworks presentation for thousands of attendees.

Texas Senator Royce West sponsors H.B. 3041, designating a structure on Spur 366 connecting the east and west levee of the Trinity River as the Margaret Hunt Hill Bridge.

The Trinity River Corridor Comprehensive Land Use Plan is adopted by the Dallas City Council, and will serve as the framework for The Trinity project infrastructure, economic development and land uses.

The Trinity Levee Trail – a 6.2- mile (10K) recreational trail along the visible top levee of the Trinity – opens to hikers, cyclists and horseback riders.

Hunt Petroleum Company of Dallas generously donates $12 million to The Trinity Trust, helping to spur research and development for the first Calatrava signature bridge.

The “Balanced Vision Plan” is adopted by the Dallas City Council, providing the framework for design and construction of capital projects, private investment and community initiatives for The Trinity project.

The “Balanced Vision Plan” is adopted by the Dallas City Council, providing the framework for design and construction of capital projects, private investment and community initiatives for The Trinity project.

The Dallas City Council awards a design contract to world-renowned bridge designer, engineer and architect Santiago Calatrava of Valencia, Spain.

Dallas City officials and U.S. Army Corps of Engineers sign a Project Cooperation Agreement that outlines the fiscal and project responsibilities for construction.

The General Re-evaluation Report and Integrated Environmental Impact Statement (EIS) for the Dallas Floodway Extension Project is finalized by the U.S. Army Corps of Engineers.

The Regional Transportation Council/Texas Transportation Commission Partnership approves $30 million in funding for the Woodall Rodgers Extension.

The Dallas City Council authorizes support for the concept of "signature bridges" and design enhancements for bridges across the Trinity River to help create a 21st century city in Dallas.

The citizens of Dallas approve a $246 million bond proposition for The Trinity project, which will bolster state and federal funding for the $1.7 billion undertaking.

The Great Trinity Forest Master Plan is approved.  The plan helps direct efforts for more than 2,700 acres of land acquisitions and development of its ponds, natural springs and woods.

Protective levees for the Lamar and Cadillac Heights neighborhoods are approved by the City Council, providing 2.5 miles of flood protection along the Trinity River.

The Dallas County Commissioners' Court adopts the Dallas County Trail Plan, which has since helped develop and/or construct more than 50 miles of trail in nine cities.

The Dallas City Council approves the "Chain of Wetlands" for the DFE Project – a 3. 7 mile-long series of connected ponds that will provide flood conveyance through the Great Trinity Forest.

The Dallas City Council authorizes the city's participation in the study of the Dallas Floodway Extension and the Stemmons/North Industrial District.

Recommendations made by the Trinity River Corridor Citizens Committee for the basic components of The Trinity – flood protection, recreation, transportation, environmental restoration and economic development – are accepted by City Council.