At the end of February there were 556 sites open/143 "Coming soon", compared to 538/144 at the end of January, a gain of 18 open sites.
Here's the list of road trip coverage expansion or gap filler "Coming soon" sites in the west I've been or will be monitoring, and consider most important for completion:
WA: Port Angeles and Aberdeen (U.S. 101); Leavenworth (U.S. 2); Poulsbo (S.R. 3/305/307).
Oregon: Bend (U.S. 97); Warrenton & Newport (U.S. 101).
CA: Greenfield & Solvang (U.S. 101); Placerville (U.S. 50); Los Banos, Lost Hills & Oceanside (I-5); Buck Meadows (S.R. 120); Fenner (I-40).
AZ: Quartzsite (I-10); Kingman (I-40).
NV: Lovelock & W. Wendover (I-80).
Guy [I have lots of experience designing/selling off-grid AE systems, some using EVs but don't own one. Local trips are by foot, bike and/or rapid transit].
The 'best' is the enemy of 'good enough'. Copper shot, not Silver bullets.