Motorists heading southbound on the A405 should be advised there are slight delays after an earlier accident.
The incident took place at the A405 roundabout that connects to M25 Junction 21a, at around 1pm this afternoon.
As a result, traffic moving south is heavily congested as far back as the A405/Watford Road roundabout.
What are these links for?
If you liked this article and would like to share it with others on the web who might be searching for good content we've made it easy for you to do it.
At the bottom of all articles, you'll see links to six sites. These sites - commonly called 'social bookmark' or 'social news' sites - have large communities of web users who share and rate interesting, useful and fun things on the web.
Clicking the links will automatically add the address of the story you are reading to one of these sites, letting you share it with others. Each site will ask you to register to share stories. Registration is free and once a member, you can store, recommend and search for stories that interest you.
More on Digg
More on del.icio.us
More on Furl
More on reddit
More on NowPublic/
More on Yahoo!