Figure 1,,,,
Communities with Access to Intercity Public Transportation by Mode,,,,

% of communities with access,,,,
,Commercial air,Intercity bus,Intercity rail,
Under 2500,46.52053628,42.68993403,19.66375825,
2500-5000,61.29656507,57.81325593,28.20512821,
"5000-50,000",61.54623547,70.89439111,27.38756948,
"Over 50,000",95.84542816,90.2394775,67.21698113,

"SOURCE: B.D. Spear and R.W. Weil, “Access to Intercity Transportation ",,,,
"Services from Small Communities: A Geospatial Analysis,” Transportation ",,,,
"Research Record 1666 (Washington, DC: Transportation Research Board, ",,,,
1999).,,,,