you are not allowed to drive in the bike lane at all
200 ft
no
200ft
for the roughly 200 feet before you are turning if there is no designated turn lane. the bike lane will turn into hash marks where its okay. otherwise never
signal your turn prior to crossing through the bike lane at the dashed striping. yield to any bicyclist. you may enter the bike lane at the intersection or driveway after first checking to make sure that no bicyclists are present if there is no right turn lane
Bike Lanes at Intersections Slow down, look for and yield to any bicyclists in the bike lane. Signal your turn prior to crossing through the bike lane at the dashed striping. Yield to any bicyclist. Complete the turn from the designated right turn lane. If there is no right turn lane, after first checking to make sure that no bicyclists are present, you may merge into the bike lane at approaches to the intersection or driveway (all of the above)
Legally never.If the bicycle lane is marked, you may not drive in, or even partially in, that lane. However you may cross it when making turns or when pulling into parking spaces or driveways. However - REMEMBER - bicycles are legal vehicles on the roadway - always be certain that you are not interfering with bicycle traffic when doing so.
In Oregon, when it is unpaved, has a bike lane, and you are not trying to pass someone turning left.
On a four lane road you may drive in the left lane if you are passing a car in the right lane or, if you are moving at the prevailing speed of other traffic in that lane.
A bike lane is another term for a bicycle lane or cycle lane - a part of a roadway designed for use by cyclists.
No you may not, unless you have as many people on the motorcycle as the lane mandates.