Editing Mercer County, New Jersey (section)

===Public transportation===
Mercer hosts several [[NJ Transit]] stations, including [[Trenton Transit Center|Trenton]], [[Hamilton station (NJ Transit)|Hamilton]] and [[Princeton Junction station|Princeton Junction]] on the [[Northeast Corridor Line]], as well as [[Princeton station (NJ Transit)|Princeton]] on the [[Princeton Branch]].<ref>[http://www.njtransit.com/rg/rg_servlet.srv?hdnPageAction=LineDetailsTo&selLine=NEC Northeast Corridor Line] {{webarchive|url=https://web.archive.org/web/20140712073924/http://www.njtransit.com/rg/rg_servlet.srv?hdnPageAction=LineDetailsTo&selLine=NEC |date=July 12, 2014 }}, [[NJ Transit]]. Accessed August 2, 2014.</ref> [[SEPTA]] provides rail service to [[Center City, Philadelphia|Center City]] [[Philadelphia]] from [[Trenton Transit Center|Trenton]] and [[West Trenton station|West Trenton]]. Long-distance transportation is provided by [[Amtrak]] train service along the [[Northeast Corridor]] through the [[Trenton Transit Center]].

NJ Transit's [[River Line (NJ Transit)|River Line]] connects Trenton to [[Camden, New Jersey|Camden]], with three stations in the county, all within Trenton city limits, at [[Cass Street (River Line station)|Cass Street]], [[Hamilton Avenue (River Line station)|Hamilton Avenue]] and at the Trenton Transit Center.<ref>[https://content.njtransit.com/sites/default/files/pdfs/light-rail/sf_lr_rvl_map.pdf River Line System Map], [[NJ Transit]]. Accessed November 24, 2022.</ref>

Mercer County's only [[commercial airport]], and one of three in the state, is [[Trenton–Mercer Airport]] in [[Ewing Township, New Jersey|Ewing Township]], which is served by [[Frontier Airlines]], offering nonstop service to and from points nationwide.<ref>[http://www.state.nj.us/counties/mercer/departments/airport/ Trenton Mercer Airport] {{webarchive|url=https://web.archive.org/web/20130929190306/http://www.state.nj.us/counties/mercer/departments/airport/ |date=September 29, 2013 }}, Mercer County. Accessed October 6, 2013.</ref>