If it is a shared TRAVEL lane - the threat is oncoming traffic coming right at you head on. If it is a shared TURN lane, you must be cautious that someone from the opposite lane of travel doesn't suddenly decide to turn left at the same you want to turn left, and you wind up sharing the same portion of the lane.
ramp
A shared left lane is used to turn left by both directions of traffic. A regular left lane is only used by one direction flow of traffic
A shared left turning lane is a lane found in the center of a two-way road that is used exclusively for left turn movements and may be used by vehicles traveling either direction down the roadway. It is NOT a traffic lane nor should it be used for passing.
left
The word sharrow is a cross between share and arrow. It is painted on a lane to designate it as a lane -- shared by cars and bicycles. Each can use the entire lane.
When electrons are shared between two atoms, this is referred to as a covalent bond.
Its called a "shared left turn lane"
A shared left turning lane is a lane found in the center of a two-way road that is used exclusively for left turn movements and may be used by vehicles traveling either direction down the roadway. It is NOT a traffic lane nor should it be used for passing.
Gardere lane
When it is Dangerous to you and oncoming traffic.
through shared trade
Passing on a blind hill is the most dangerous situation to attempt to pass another car on a 2 lane road.