1.Advertise your website through Email marketing campaigns and Traffic campaigns!
2.using signature on forums,emails.
3.you can use newspaper ad to direct visitors to our site.
4.try to make a card with your website,and give it to your friends,leave it in car or train .
5.post articles frequently on popular article sites such as ezine ,go articles etc.
6.post free inexpensive classified ads.
7.join popular seo forums like this one and make frequent contribution with your website link as signature.
8.try to find a blog that suites your website content,and make feedback to that blog also remember that feedback should be genuine,so that it cannot be recognized as a spam,include your website link there.
9.submit your link to directories.
10.write an ebook about your subject of website.
More information you can come here

Engaging on the following helps generate traffic:

social bookmarking
article submission
classified ads
forum posting
press release
social networking