Exploring a new congestion pricing concept focus group findings from northern virginia and philadelphia prepared by margaret petrella lee biernbaum and jane lappin volpe national transportation systems center cambridge ma prepared for federal highway administration. Exploring a new congestion pricing concept focus group findings from northern virginia and philadelphia petrella margaret biernbaum lee lappin jane federal highway administration us department of transportation isbn 9781494465131 kostenloser versand fur alle bucher mit versand und verkauf duch amazon. Exploring a new congestion pricing concept focus group findings from northern virginia and philadelphia us department of transportation isbn 9781494345280 kostenloser versand fur alle bucher mit versand und verkauf duch amazon. Exploring a new congestion pricing concept focus group findings from northern virginia and philadelphia prepared by margaret petrella lee biernbaum and jane lappin volpe national transportation systems center cambridge ma prepared for federal highway administration office of natural and human environment and office of transportation management december 2007. Exploring a new congestion pricing concept focus group findings from northern virginia and philadelphia paperback december 15 2013 by us department of transportation author see all formats and editions hide other formats and editions