Unfortunately, many people are just now finding out that they are on a proposed route because they did not receive their letter in October. To see if you should have gotten a letter and to see all the proposed routes, here are some maps provided by the LCRA.
Static map of most of our subdivisions: http://www.lcra.org/energy/electric-transmission/transmission-line-routing/Documents/Leander_RoundRock_Boards_Aerial_9600-20151008_2.pdf
Map to the west, including the Cedar Park substation area: http://www.lcra.org/energy/electric-transmission/transmission-line-routing/Documents/Leander_RoundRock_Boards_Aerial_9600-20151008_1.pdf
Interactive LCRA map of the proposed routes: http://gis.lcra.org/Html5Viewer/?viewer=ccn-lrr