Steve Polzin (from US DOT) showing major differences in use between private cars and other modes of transport [in first presentation of a @zephyrtransport webinar]:

While the above graph is about demand/use, he points out that it's also related to supply/availability of service (e.g., some mass transit operators have cut back on service, leading to even lower ridership than if they had been able to maintain service).

Here's one transportation policy analyst's sketch for how transportation usage will look like in coming years. (It would be fascinating to hear a number of analysts debate their own sketches/predictions.)

An ongoing trend and a "pop" in e-commerce retails sales:

The "stay-at-home class" [my own phrasing] are WFH rather than driving to work — will this last? (Also a major question here in the Bay Area, where our municipal planning organization has been debating what amount of telework to assume in regional plans for future decades.)

A noticeable trend: driving by car is now more spread out throughout the day (rush hours are less "peak-y")

Across the US, driving has dropped off more within urbanized metro regions, and has stayed more constant in rural areas: