Nineteen people have died in two separate accidents involving four vehicles on the Ada-Tema highway.A Metro Mass bus Monday morning run into a stationary cargo truck, killing sixteen people.Joy FM correspondent, Benjamin Tetteh said the Metro Bus with registration number AS 60590 was heading to Accra from the Volta Region when the accident occurred at 8:00 am.15 died on the spot and one died later at the hospital. Several others who sustained injuries have been sent to the Bator Hospital for treatment.In the other accident which occured Sunday, Benjamin Tetteh reports that three people died when a saloon car hit an urvan bus in a community on the Ada-Tema Highway.According to eye-witnesses, the saloon car failed to slow down and as a result hit the back of the bus when the latter was climbing a speed ramp.Source: Joy News/Myjoyonline.com/Ghana