Adding pre-freeway US 101 Manchester Boulevard and Firestone Boulevard.

Adding pre-freeway US 101 Manchester Boulevard and Firestone Boulevard.

Adding WIP lines for the old alignments of US 91, SR 18, US 101 and I-5 at the junction of the Santa Ana Freeway and Riverside Freeway.

Adding WIP lines for the old alignments of US 91, SR 18, US 101 and I-5 at the junction of the Santa Ana Freeway and Riverside Freeway.

Starting on the original Santa Ana Freeway and Riverside Freeway interchange.

Working on the original Santa Ana Freeway.

Working on the original Santa Ana Freeway.

Working on the original Santa Ana Freeway.

Working on the original Santa Ana Freeway.

Moved "Route 91" to the original Santa Ana Freeway geometry. This is a work in progress.

Moved "Route 91" to the original Santa Ana Freeway geometry. This is a work in progress.

Started work on the Santa Ana Freeway correction in Anaheim.the current geometry matches the freeway after the rebuilding in 1998, not the original freeway from the late 1950s which served as part of US 91 until 1964.

Adding alignments of SR 18 and US 91.

Adding alignments of SR 18 and US 91.

Adding alignments of SR 18.

Adding alignments of SR 18.

Adding alignments of SR 18.

Added the SR 55 junction. 1947 is a placeholder year, as that's when the alignment of US 91 I've been working on was established.

Added the SR 55 junction. 1947 is a placeholder year, as that's when the alignment of US 91 I've been working on was established.

Added the SR 55 junction. 1947 is a placeholder year, as that's when the alignment of US 91 I've been working on was established.