Keep to the right of  divided highway.  Two way road. Keep  right of approaching  traffic.  Reduce speed for  slippery roadway after  rains, frost, etc.  Prepare to stop at traffic  signal ahead.  One-way operation on  bridge may require  stop ahead.  Reduce speed to 20  as marked for school  crosswalks.  Merge left. Road nar-  rows ahead  Do not drive any  vehicle exceeding  weight limit beyond this  sign.  Do not park to right of  this sign.  Do not stop, stand,  or park as directed  by this sign.  Make a left turn when  in a lane below or  facing this sign.  Travel only as  indicated on the  posted street.  Keep right of this sign.  Use center lane only  for left turns.  Trucks must use  right lane.  Do not turn right on red  signal.  Do not exceed  posted speed.  A red circle with a diagonal slash  indicates prohibited movement.  Do not walk or bike  on any part of the  right-of-way. 