Press Association: The first two cycling "superhighways" were announced today by London Mayor Boris Johnson as part of the capital’s year of cycling programme. To be launched on July 19, the superhighway routes will run from Barking in east London to Tower Gateway and from Merton in south London to the City. They will be first of 12 routes which will make it easier and safer for people to commute by bike from outer to inner London on direct and continuous cycle routes. Launching a summer …