,,ii  #aaith ,,congress  #ast ,session  
,s4 #bbij  ,,in ,,the ,,senate ,,of     
,,the ,,united ,,states  ,july #ae1     
#bjbe,mr4 ,tillis 7for himself and ,mr4 
,lujn7 introduced the following bill2   
which was read twice and referred to the
 ,committee on ,commerce1 ,science1 and 
,transportation  ,a ,,bill  ,to clarify 
certain regulations to allow for the    
installation of pulsating light systems 
for high-mounted stop lamps1 and for    
other purposes4  #a4 ,short title ,this 
,act may be cited as the ,collision     
,avoidance ,systems ,act of #bjbe4  #b4 
,rear-end collision avoidance systems   
7a7 ,definitions ,in this section3 7#a7 
,pulsating light system ,the term       
pulsating light system means a system   
for a high-mounted stop lamp in which-- 
7,a7 when the brake of the vehicle is   
applied1 the lamp pulses rapidly not    
more than #d times and for not more than
 #a4b seconds1 after which the lamp     
converts to a continuous light as a     
normal stop lamp until the time the     

brake is released2 and  7,b7 the pulses 
described in subparagraph 7,a7 may not  
repeat on a subsequent application of   
the brake of the vehicle for a lock-out 
period of at least #e seconds after the 
release of the brake described in that  
subparagraph4  7#b7 ,standard #ajh ,the 
term ,standard #ajh means ,federal      
,motor ,vehicle ,safety ,standard       
,number #ajh1 contained in section      
#ega4ajh of title #di1 ,code of ,federal
 ,regulations 7or a successor           
regulation74  7b7 ,clarification on     
pulsating light systems ,beginning on   
the date of enactment of this ,act1     
,standard #ajh shall be deemed to allow 
for the use of pulsating light systems  
on vehicles covered by ,standard #ajh4  
7c7 ,rulemaking ,not later than #ahj    
days after the date of enactment of this
 ,act1 the ,secretary of ,transportation
 shall promulgate such regulations as   
are necessary to update ,standard #ajh--
 7#a7 to include performance-based      
standards for pulsating light systems2  

and  7#b7 to allow for the use of       
pulsating light systems on motor        
vehicles covered by ,standard #ajh4