From Wazeopedia
→‎Geometry: note to not ignore names and types
** when Ramps and/or Minor Highway and above are involved = '''Exit Right / Keep Left''' instruction for right-hand drive countries, '''Keep Right / Exit Left''' instruction for left-hand drive countries
* Approximately '''0''' degree departure angle = '''no navigation instruction'''
'''NOTE:''' There are exceptions to these rules since geometry is not the only factor which determines instructions. See later sections for how [[#Segment_Naming_and_Type|Segment Naming and Type]] can impact instructions.
These angles allow us to clearly depict the desired result (turn vs. keep) while staying away from the angles that cause uncertain decisions from the routing algorithms. For example, since 45 degrees is a tipping point for the algorithms, a 44.5 degree angle will behave very differently than a 45.5 degree angle, although they will look identical to the eye.