A second major revision, bringing the work to 13 parts, occurred in 1805 and 1806.

No major revisions to the route of the highway have occurred since 1994.

A second major revision occurred in 1805 and 1806.

The final revision of the 1500 model occurred in 1965 with a completely redesigned interior.

Major revisions of the tax code should occur even less frequently.

A major revision occurred in 2000, when indicators specifically designed to measure the performance of cleaning crews were added.

Multiple revisions of approach procedures occurred, each which had to be reviewed and approved.

This revision to their taxonomy occurred in the late 1970s.

No major revisions to the highway have occurred since 2010.

Since 1991, no major revisions to the highway's route have occurred.