Many areas were very open, and cover in them was sparse. Middle point seems allright, but the 2nd and 1st were hard to attack. 2nd point was really open, seemed like sniperlands. the 2nd was also really tough to assault, since the staging areas from middle, usually had you exposed for a long time. 1st just seems awkward. the point works I guess, but it almost works in a way, where once someone is capping at the top, its hard to get up there and stop em.
Another problem I saw was the overall scaling of the map. Many things seemed way bigger than the player, and unusually large (IE. The indoor ramp near 2nd)
Also, Forward spawns in the middle can be accessed from the start of the game.
Signage. You had a few signs at areas, but it didn't really seem to communicate to most. My initial runthrough had me very confused.
overall it's looking good though. keep at it!