Single Lane Traffic Signs give drivers fair warning of the change ahead. Post these signs on highways and heavy traffic areas to avoid confusion.
FHWA - MUTCD - 2003 Edition Revision 1 Chapter 2B
2 - Signs Ohio Department of Transportation
Chapter 6C - MUTCD 2009 Edition - FHWA
FHWA - MUTCD - 2003 Edition Revision 1 Chapter 2B
The Importance of Merge Traffic Signs in Roadway Safety — JCL Traffic
Do Not Enter Signs, R5-1
Chapter 6F - MUTCD 2009 Edition - FHWA
Chapter 2B - MUTCD 2009 Edition - FHWA
Chapter 2B - MUTCD 2009 Edition - FHWA
FHWA - MUTCD - 2003 Edition Revision 1 Fig 5G-1 Long Description
Temporary Traffic Control
Chapter 2C - MUTCD 2009 Edition - FHWA
Chapter 2C - MUTCD 2009 Edition - FHWA
Chapter 6F - MUTCD 2009 Edition - FHWA
FHWA - MUTCD - 2003 Edition Revision 1 Chapter 2B