NORTH BERGEN - Several hundred union members hit the streets today in North Bergen in support of a second rail tunnel from New Jersey into Manhattan.

Democratic Sens. Frank Lautenberg and Robert Menendez told the crowd in North Bergen Gov. Chris Christie (R-N.J.) was shortsighted when it came to the estimated $9 billion project.

The governor pulled the plug on the project earlier this month and agreed to a two-week review that's scheduled to end Friday.

Christie says he'll consider restarting the tunnel if someone else helps pick up the tab. He fears cost overruns could reach as much as $5 billion.

Study supports new Hudson River rail tunnel Gov. Christie agrees to reconsider NJ-Manhattan rail tunnel Christie scraps plans for rail tunnel between NJ, Manhattan Gov. Christie to review rail tunnel costs Funding for rail tunnel to link NJ, NY up for debate Democratic leaders assail Gov. Christie on tunnel stoppage Amtrak considers new Hudson River tunnel

AP wire services contributed to this report.