Fu, Chuanyun <br/><br/>
Effects of digital countdown timer on intersection safety and efficiency: A systematic review.  [electronic resource] 

 -  Traffic injury prevention  2016 
 - 98-103 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review; Systematic Review 
<br/><br/><label>ISSN: </label>1538-957X 
<br/><br/><label>Standard No.: </label>10.1080/15389588.2015.1043128  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Accidents, Traffic--prevention & control<br/>Environment Design--statistics & numerical data<br/>Humans<br/>Safety