LONDON -- The track cycling venue for the 2012 London Games is on course to become the first sports facility completed in the Olympic Park.

Olympic organizers say work has been completed on the steel structure of the 6,000-seat velodrome. Work is under way to install the double-curved net roof.

Construction of the velodrome began in March 2009, and the venue is on track to be completed in early 2011.

Also under construction in the park complex in east London are the main Olympic stadium, aquatics venue and main media centre.

After 2012, the velodrome will be used by elite athletes and the local community. It will include a cafe and bike rental and workshop facilities.