During the vulnerable user law debate, it has come to our attention that there is a law to increase penalties for injury or death in certain moving violations.

This is addressed in the Iowa Code 321.482A  VIOLATIONS RESULTING IN INJURY OR DEATH -- ADDITIONAL PENALTIES.
This section has a list of moving violation sections of the Iowa Code that seem particularly problematic for the vulnerable users of the transportation system.  If a motorist is convicted of any of these violations and cause serious injury they will have an additional fine of $500 or suspension of driver's license for not more than 90 days, or both.  If the motorist is convicted of any of the violations and cause death, they will have an additional fine of $1000 or suspension of the driver's license for not more than 180 days, or both.  
Let's look at the moving violations listed in 321.482A:

321.275, subsection 4: Use of traffic lanes two abreast, applies to Motorcycle or Motorized Bicycle.
321.297Driving on right-hand side of roadway – exceptions.
321.298: Meeting and turning to right.
321.299 Overtaking a vehicle
321.302 Overtaking and passing
321.303 Limitations on overtaking on the left
321.304 Prohibited passing
321.305 One-way roadways and rotary traffic islands
321.306 Roadways laned for traffic
321.307 Following too closely
321.308 Motor trucks and towed vehicles - distance requirements
321.309 Towing - convoys (subsection 2 – maintain 500' between towed vehicles)
321.311 Turning at intersections
321.319 Entering intersections from different highways
321.320 Left turns - yielding
321.321 Entering through highways
321.322 Vehicles entering stop or yield intersection
321.323 Moving vehicle backward on highway
321.323A Approaching certain stationary vehicles
321.324 Operation on approach of emergency vehicles
321.324A Funeral processions
321.327 Pedestrians' right-of-way
321.329 Duty of driver - pedestrians crossing or working on highways.
321.333 Duty of drivers (approaching visually impaired persons)