Implementation-level plans are those that are tiered from the overarching General Management and Comprehensive Management Plans. These plans outline the specifc actions to be taken for a given project.

These plans include:  

• Curry Village and East Yosemite Valley Campground Improvements Project EA (2003) (Plan completed, construction pending litigation)
• East Yosemite Valley Utilities Improvement Plan EA (2003) (Project/construction of Phase 1 in progress, 2005-2007)
• Glacier Point Road Rehabilitation EA (2007) (Plan completed, construction planned for spring 2008 or may be postponed until 2009)
• Hetch Hetchy Road and Drainage Improvements EA/FONSI (1998)
• Hetch Hetchy Communications System Upgrade Project EA (2007) (Plan completed, construction planned for 2008)
• Hodgdon Meadow Trailer Replacement Project EA (2007) (Plan completed, construction planned for winter/spring 2008) 
• Mirror Lake Project EA (May 1996)
• • Mirror Lake Project Finding of No Significant Impact (FONSI) (July 1996)
  • Mirror Lake Loop Trail Reconstruction EA/FONSI (1998)
• Parkwide Invasive Plant Management EA/FONSI (2008)
• Rehabilitation of the Yosemite Valley Loop Road EA (2006) (Plan completed, construction of drainage culverts only - scheduled for 2007-2008)
• Yosemite Lodge & Camp 4 Sewer Line Repair and Replacement EA/FONSI (1998)
• Yosemite Lodge Area Redevelopment (2003) (Plan completed, construction pending litigation)