0 a sign showing a bicycle under two wide arrows that is painted on a road to show that people riding bicycles and those driving cars must share the road: --
Shared-lane markings or sharrows are not a substitute for bike lanes.
In the westbound lane, the sharrow directs cyclists into a dismount area, allowing them to cross the rails on foot.
In the eastbound lane, the sharrow guides cyclists into a bicycle lane that curves so as to intersect the rails at a 90-degree angle.
In her first year as commissioner bike lane and sharrow painting doubled from 29 miles in 2006 to 63 miles 2007.
