PATA Reference Guide
Freeways and Expressways

Number of Lanes Work Description Short-Term Long-Term Mobile
Any Work Space On Or Beyond The Shoulder (No Roadway Encroachment) 401   601
Work Space Beyond Shoulder   501  
Work Space On Shoulder   502  
2 or More Work Space In The Left Or Right Lane 402 503 602
3 or More Work Space In Two Adjacent Lanes 403 504  
Divided or One Way Two-Way Traffic On One Roadway Of A Normally Divided Highway   507  
Work Space In Any Lane Of A Three Or More-Lane Approach     603
Divided Lane Closure Near A Freeway Or Expressway Exit Ramp 404 505  
Lane Closure Near A Freeway Or Expressway Entrance Ramp 405 506  
Work Space On A Ramp 406    
Rolling Slow Down Or Stoppage 407    
Rolling Slow Down Or Stoppage With Existing Lane Closure 408    
Work Space In Center Of Roadway   508