The past

1960s — Community leaders begin plans for the "West Davis Highway."

1995 — Utah Legislature gives $500,000 to study plans.

1996 — Gov. Mike Leavitt announces plans for 120-mile-long "Legacy Highway" to extend from Ogden to Nephi.

1997 — Environmental studies begin for Legacy/West Davis Highway.

1998 — Name of West Davis Highway changed to Legacy Parkway, a 14-mile segment from North Salt Lake to Farmington.

October 1998 — Draft environmental study for Legacy Parkway released.

July 2000 — Final environmental study for Legacy Parkway released.

Jan. 9, 2001 — Federal approvals received to build Legacy.

Jan. 17, 2001 — Lawsuits filed in district court by Utahns for Better Transportation, Salt Lake City Mayor Rocky Anderson and the Sierra Club.

Aug. 1, 2001 — Earth-moving construction begins on Legacy; lawsuits dismissed.

Nov. 16, 2001 — 10th Circuit Court of Appeals in Denver issues injunction after plaintiffs appeal.

Sept. 16, 2002 — Court of Appeals asks for more study of environmental impacts.

Nov. 20, 2002 — Work begins on supplemental environmental study of Legacy.

Dec. 3, 2004 — Draft study released for public comment.

January 2005 — UDOT and plaintiffs, including the Sierra Club and Utahns for Better Transportation, begin negotiations that may allow for construction.

March 2005 — Work begins on final environmental study.

July 2005 — Possible settlement reached; legislative committee created to renegotiate.

Sept. 21, 2005 — Legislators approve "agreement in principle" between the state and plaintiffs. Gov. Jon Huntsman Jr. signs agreement.

The future

October — A special session of the Legislature will be called to approve or reject legislation on the settlement.

November — Final supplemental environmental study to be released on Legacy.

December/January — Goal to receive federal approval to construct Legacy.

Spring 2006 — Construction slated to begin.