urbanTimeFactorObject
Defines how driving speeds fluctuate through urban areas across the day. The array of time points is
used to generate interpolated values for all other times. The standard configuration assigns a
factor of 1.00 at all times.
{ [<dow>]: [ <HH:MM>: <real> ] }Keyed by dow (day of week), each entry maps a HH:MM time of day to a real speed factor.