That site you cited has not functioned well for a long time. A few months ago I tried to download a map and was told that I was in the queue and I could expect to be notified my map was ready in over 300 days.
Smaller than USA but bigger than one state. This is topo street maps, not bike maps. Thus, work better for a car. But sometimes it works for bike paths, so this might work for you. Contour lines were created using the metric system, so contours are a bit odd, for example 902 and 984 feet are not normal contour intervals.
USA OSM Topo Routable | GMapTool
Routing across a border to another map might not work, probably have to create a waypoint on the border to include in a route.
Months ago I recall reading that this site would be shutting down soon, for car routing, but looks like it is functional. Also breaks up USA into a few maps. Because this site might disappear, recently I loaded the maps from that site that I might want some day, for example Canada.
https://www.openmapchest.org/
I use my GPS for a lot of non-cycling things, like backpacking, canoeing, kayaking, and occasionally for driving. So, I like to have a wide choice of base maps in my GPS, depending on activity I am doing.