|I am the Enforcement Manager for the City of Dallas Parking Enforcement Section. One of our goals is to maintain a reasonable turn over of public/on-street parking in an effort to provide space for patrons of commercial and private business. In locations where we find several employees with disabled permits that utilize the meter space daily, and for the entire work day, and subsequently loose the meter space and revenue for all intense in purposes, we have discovered a method that detours this type of usage. We found that if in the immediate area (which could include only a few blocks), we designate and include those locations as a 7-9 a.m. and/or 4-6 p.m. parking ban restriction. This will cause the daily parkers to retreat back to the spaces that they utilized prior to their finding your free meter space. It becomes too much of an inconvenience for them to park in these spaces, only to be forced to move them during these time frames. It does not take the parking away from disabled persons except during the ban. It provides short termed, metered parking that business patrons can now benefit from, including addition disabled persons. This method will in some cases eliminate your problem, however, it will in other cases at least spread out the daily parkers over a larger area. I hope this helps your problem or at least provides you with an idea that you can develop for your own operational needs.