"66 Parallel Trail" – I-66 west of Washington, DC. Outer 3+3 lanes free; inner 2+2 lanes HOV/Toll; center median possible future rail; bike/ped trail far right. It's better than I expected. Good pavement, gentle slopes, (literally) cool tunnels under ramps.
You're registering on Love to Ride Sacramento, would you rather be registered on Love to Ride Sacramento? It's the same site, you'll just access more local information.
Biketober Sacramento Region 2024 - 50 Corridor & Sacramento TMA