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Gray Notebook Subject Index: Safety on State Highways

The table below lists subjects included in the most recent four years of the Gray Notebook (2013-2016). For the full Safety Subject Index, click here.

Safety on State Highways
Subject/Topic 2013 2014 2015 2016 
Age-related safety issues13/Q414/Q4  
Before & After collision analysis    
Cable median barriers13/Q1   
Highway safety improvement projects13/Q1   
Roundabouts    
Rumble strips    
Safety rest areas & fatigue-related
collisions

13/Q1

14/Q1

 
 
Highway safety improvement program    
Highway safety investment levels & fatalities    
Intersection collisions 14/Q2  
Local agency safety efforts13/Q1   
Run off the road safety initiatives 14/Q2  
Safety analyst software & project prioritization    
Safety rest areas    
Americans with Disabilities Act compliance13/Q1   
Cost to operate rest areas  15/Q1 
Electric vehicle charging stations at rest areas13/Q114/Q1  
Facility condition ratings13/Q114/Q115/Q1 
Inventory of WSDOT's safety rest areas13/Q1   
Level of Service rating13/Q114/Q115/Q1 
Map of WSDOT's safety rest areas 14/Q115/Q1 
Overview of WSDOT's safety rest area facilities    
Preservation & improvement projects at safety
rest areas

13/Q1

14/Q1

15/Q1
 
Preservation funding & backlog13/Q114/Q115/Q1 
Safety benefits13/Q114/Q115/Q1 
Truck parking 14/Q1  
Visitors estimates13/Q114/Q115/Q1 
Seatbelt usage by type of road    
Sustainable highway safety program  15/Q2 
Target zero program & priorities13/Q214/Q215/Q2 
Traffic fatalities    
Annual number & rates in Washington13/Q214/Q215/Q2 
On state highways, all state public roads,
& U.S.

13/Q2

14/Q2

15/Q2
 
Relationship to vehicle miles traveled13/Q214/Q215/Q2 
Traffic fatalities by cause: The role
of impairment, speed, run off the road,
or intersection-related


 
 

14/Q2


 
 

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