The way points of this bicycle route:
There used to be a small path from Microsoft Main Campus to this location. It is closed while they construct building 7.
Take 30th Ave NE going east
Take a right onto 164th Ave NE
Right onto SE Phantom Way aka SE 16th Street.
Left onto 156th Ave SE
There is a small bikepath just pass 27th. You'll see the pedestrian crossing signs for it. Take this behind the BCC parking lots.
Left onto the main road around BCC Campus
Left around the traffic circle
Left onto 142nd Place SE
Right onto SE 36th Street. This road can have high traffic, but there is a good shoulder and you'll be going downhill.
Get into the rightmost left turn lane here.
The bike path is to the left of the I90 offramp. There is no good signage.
The bikepath takes you the rest of the way to the bridge.
This road crossing can be a little tricky if there is fast moving traffic.
Ride on the sidewalk/shoulder against traffic for about 100' under I90 to get back onto the bike path.
End of the route, you're on the bridge to Mercer Island.