Where weekday traffic volumes are dropping, 2022-2025

575 (574 drawn) PeMS District 11 stations (all lane types) with fully observed, complete Sep-Oct weekdays in all four years. Color compares 2025 with 2022, and dot size shows 2025 average daily weekday volume, both for the selected time period.

Up, or down less than 0.1% () Down 0.1–5% () Down more than 5% () blue yellow red

Time period:

Lane type:

Station counts by year (all lane types)

Step	2022	2023	2024	2025	Any year	All 4 years
Listed in PeMS metadata	1,440	1,440	1,440	1,440	1,440	1,440
Any usable data (samples > 0)	1,146	1,118	967	930	1,298	764
At least one complete day	1,116	1,083	950	917	1,283	738
At least one complete, 100% observed day	1,001	959	834	777	1,203	575

Stations with Sep-Oct data at each step. Raw PeMS lists every station even when it reports nothing. The map shows the “all 4 years” stations of the last step that have coordinates.

Totals per year by lane type (, checked lane types)

Sum of the stations' average weekday volumes in the period. Includes 1126142, which has no coordinates in PeMS and is not drawn.