Apple has just released the first beta version of iOS 6.1.1 to developers. The beta arrives as build 10B311 and 9to5mac noted major improvements to Maps for Japanese users.

iOS 6.1.1 beta 1 includes the following improvements to Maps for Japan:

– Improved pronunciation of roads during turn-by-turn navigation
– Optimized directions to more strongly prefer highways over narrower roads
– Now indicates upcoming toll roads during turn-by-turn navigation
– Added labels for junctions, interchanges, on-ramps, off-ramps, and intersections
– Added indicators for transit station buildings, subway lines, and traffic lights
– Updated freeway color to green
– Updated icons for some location categories including fire stations, hospitals, and post offices Added 3D buildings including Tokyo Station, Japan Imperial Palace, and Tokyo Tower