You should avoid parking in spaces with diagonal stripes next to reserved parking areas because:

• These spaces are reserved for emergency vehicles.
• They are designated for commercial deliveries.
• These spaces are needed to provide access to those with wheelchairs and vehicles with special equipment.
  Explanation:

  "Do not park in the spaces with diagonal stripes next to reserved parking areas. These spaces are needed to give access to those with wheelchairs and vehicles with special equipment."
• These are designated for motorcycle parking.