Skip to main content
. Author manuscript; available in PMC: 2013 May 17.
Published in final edited form as: Environ Res. 2009 Jun 21;109(6):10.1016/j.envres.2009.06.001. doi: 10.1016/j.envres.2009.06.001

Fig. 8.

Fig. 8

Model prediction surfaces of NO (a), NO2 (b, c) and NOx (d) through an ADDRESS selection process. The difference between 5b and 5c is that 5c represents the modeling result omitting highway buffer distance 11 km as a predictor.