Featured Research

from universities, journals, and other organizations

Improved pavement markings can save lives

Date:
March 20, 2014
Source:
Concordia University
Summary:
As spring finally emerges after a ferocious winter, our battered roads will soon be re-exposed. While potholes and cracks might make news, a bigger concern should be the deterioration to pavement markings, from yellow to white lines, which are a big factor in preventing traffic accidents. A study from Concordia University, funded by Infrastructure Canada and published in Structure and Infrastructure Engineering, found that snowplows are the biggest culprit in erasing roadway markings.

As spring finally emerges after a ferocious winter, our battered roads will soon be re-exposed. While potholes and cracks might make news, a larger concern should be the deterioration to pavement markings, from yellow to white lines, which are a major factor in preventing traffic accidents.

Related Articles


A study from Concordia University, funded by Infrastructure Canada and published in Structure and Infrastructure Engineering, found that snowplows are the biggest culprit in erasing roadway markings.

The research team also examined the impact of salt and sand on the visibility of pavement markings. The conclusion: a simple switch in paint can save cars -- and lives.

Using data from the Ontario and Quebec ministries of transportation and the municipalities of Montreal and Ottawa, Professor Tarek Zayed of Concordia's Department of Building, Civil and Environmental Engineering measured the relationship between materials used in pavement markings, and their age and durability.

He also compared highways with city roads, examined traffic levels and took note of the types of vehicles involved. Finally, Zayed and his research team examined marking types such as highway centre lines, pedestrian crosswalks and traffic intersections.

They found snowploughs to be the worst on roads because they literally scrape paint off the streets. "Snow removal is the major contributing factor to wear and tear on pavement markings, because when snow is pushed off the road, part of the markings is taken off too," says Zayed.

What can improve the chances of pavement markings surviving the winter? Zayed suggests that an upgrade to more expensive and durable epoxy paint might be more cost effective in the long run. Other options include paint tape and thermoplastic, although these are quite expensive.

He also suggests wider use of a technical device called a retroreflectometer to help assess the paint's reflectivity and resulting effectiveness. "In the U.S., this standard has been in place for almost a decade," he says, adding that minimum standards for reflectivity are used to signal when a road must be repainted.

Zayed also says Canadian roads are in desperate need of more studies. For example, while epoxy is known to be a more durable paint, since it is not yet widely used in Ontario and Quebec, more research is needed to show exactly how it holds up to stressors like salt and snow removal.

While several studies have been conducted in the central and southern United States to compare and evaluate the durability of pavement markings, Zayed points out that the findings don't translate very well given the strikingly different weather conditions between warm versus seasonal climates.


Story Source:

The above story is based on materials provided by Concordia University. The original article was written by Suzanne Bowness. Note: Materials may be edited for content and length.


Journal Reference:

  1. Emad Elwakil, Ahmed Eweda, Tarek Zayed. Modelling the effect of various factors on the condition of pavement marking. Structure and Infrastructure Engineering, 2014; 10 (1): 93 DOI: 10.1080/15732479.2012.701650

Cite This Page:

Concordia University. "Improved pavement markings can save lives." ScienceDaily. ScienceDaily, 20 March 2014. <www.sciencedaily.com/releases/2014/03/140320101513.htm>.
Concordia University. (2014, March 20). Improved pavement markings can save lives. ScienceDaily. Retrieved November 20, 2014 from www.sciencedaily.com/releases/2014/03/140320101513.htm
Concordia University. "Improved pavement markings can save lives." ScienceDaily. www.sciencedaily.com/releases/2014/03/140320101513.htm (accessed November 20, 2014).

Share This


More From ScienceDaily



More Science & Society News

Thursday, November 20, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Ebola Crisis Affecting US Adoptions

Ebola Crisis Affecting US Adoptions

AP (Nov. 20, 2014) The Sanborn family had hoped they'd be able to bring home their 5-year-old adopted son from Liberia by now. But Ebola has forced them to wait. The boy is just one of thousands of orphans in West Africa who've been impacted by the deadly virus. (Nov. 20) Video provided by AP
Powered by NewsLook.com
Obama Signs Bill to Revamp Child Care Aid

Obama Signs Bill to Revamp Child Care Aid

AP (Nov. 19, 2014) President Barack Obama signed a new federal child care bill into law Wednesday that puts more stringent rules on background checks and child care quality for providers that receive federal subsidies. (Nov. 19) Video provided by AP
Powered by NewsLook.com
Why You Should Give A Crap About World Toilet Day

Why You Should Give A Crap About World Toilet Day

Newsy (Nov. 19, 2014) It's World Toilet Day. While pooping is the subject of potty humor in the West, it's a serious and sometimes deadly issue in underdeveloped countries. Video provided by Newsy
Powered by NewsLook.com
Why Senate Halted NSA Surveillance Reforms

Why Senate Halted NSA Surveillance Reforms

Newsy (Nov. 19, 2014) The USA FREEDOM Act would have ended much of the NSA's surveillance activity, but it didn’t collect enough votes to proceed through the Senate. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Science & Society

Business & Industry

Education & Learning

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins