The first of 30 new E-Class trams designed to tackle the rise in passenger injuries from on-board jolts and falls has rolled out.

The trams include dozens more hanging straps and hand rails for passengers, and a flatter nose to give the driver a better peripheral view of traffic.

The tram floor has also been lowered at the doors in response to complaints from passengers in wheelchairs of a vertical gap at many platform stops, which makes the original E-Class trams difficult to board. The trams are made by Bombardier in Dandenong.

The second of the redesigned trams will enter service later this week.