Started work on the Costa Mesa Freeway. Post 1962 SR 55.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Adding alignments of the Lincoln Highway.

Added 1921 route of the Lincoln Highway.

Modified a bridge on US 91.

Added ending date to the US 91 Placentia Yorba route.

Adding sections of the Riverside Freeway