Effect of Static Electronic Advertising Signs on Road Safety: An Experimental Case Study

This article reports on a before-and-after comparison groups study undertaken to evaluate the safety impacts of static electronic signs (SES). The authors define these as signs that have the ability to automatically change the message shown on the sign at regular intervals. They note that the actual effects of the SES on traffic safety and the number of collisions have been difficult to prove. The research was conducted on a total of 10 SES installed along the Highway 27 and the Gardiner Expressway of the city of Toronto, Ontario, Canada. The authors describe the data collection, including how they determined the specific influence zone of each SES; the before and after periods, which were based on the installation year of the signs; and the evaluation of the impact of these signs during daylight and during nighttime driving. The authors determined that there was not enough evidence to suggest that these signs have any impact on road safety along the adjacent roadway sections.


  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 01559988
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 2 2014 3:07PM