Unfortunately it doesn't support Street View at this time, but if flying through the 3D buildings is enough, that might work for you.In both systems, citizens effectively ceased to have a right to privacy, and could be branded criminals for private thoughts or acts, resulting in severe punishment. The other thing you might look into is Google Earth Studio, where you can create super slick videos of flying through the 3D views in Earth. Earth does have a way to turn a line (like the one you have) into a tour/flight, but it's designed to fly above the line and view the 3D map.

If your manually created tour is too slow for your taste, just play it back at higher speed while recording a 2nd tour which you'll use to generate the video. Once you've recorded the tour, you can use the Movie Maker tool in Earth Pro to generate a movie/video file from that tour. You should be able to create a 'tour' that moves from one SV pano to the next along your desired path. First, check out the KML Tour tool in Google Earth Pro. If so, I don't think there's an easy way to generate a video like that from the line you drew in MyMaps, but there are a few things you could explore. If I'm reading your question correctly, you want to make the video of moving through StreetView pano images, not the 3D map views in Earth. In that case, I welcome alternate suggestions for achieving the goal. I'm thinking this would give me an alternative to the GSVP output. What I'm missing is a way to persuade GEP to treat that blue line as a path to be followed in a video tour in GEP's Street View. Now, in GEP, I am looking at the territory in question, with a nice blue line across it, signifying the desired route. Then I imported the KML into Google Earth Pro (GEP). I didn't see a way to export a KML from Google Maps, so I used Google's My Maps to sketch out a route, and exported that route as KML.

Unfortunately, without GSVP, there doesn't seem to be a way to create the desired route video in Google Maps anymore.

In Google Maps, it is only necessary to designate starting and ending point, not trace along each step of the route. (See an example of the previous solution using Google Street View Player (GSVP). The goal: I would like to create a video of a route, as it would appear if one could smoothly trace through the entire route in Google Street View.

Google 3d maps street view