State police are stepping up truck inspections near the Fort Meade headquarters of the National Security Agency in the days surrounding the 11th anniversary of the Sept. 11 terrorist attacks.

State police Capt. N.W. Dofflemyer, who is overseeing the inspections, said the NSA's security personnel were interested in working with police to provide visible security around the anniversary of the 2001 terrorist attacks on the World Trade Center in New York and the Pentagon.

"They're mostly interested in security in and around their area of operation," Dofflemyer said of the NSA.

"We're going to heighten our appearance during that time. It's not just there, we're heightening our presence elsewhere in the state."

Between five and eight troopers are deployed on Route 32 to stop trucks that might pose a threat to security or have safety violations. The troopers are checking truckers' credentials, making sure they are shipping what they say they are and ensuring loads are properly secured, Dofflemyer said.

Dofflemyer did not know how many violations had been found Monday but said troopers had reported nothing out of the ordinary.

The NSA declined to comment on its security arrangements.

Elena Russo, a spokeswoman for the state police, said troopers are especially watchful each year around the anniversary of the attacks.

"It doesn't matter if it's the second anniversary or the 10th anniversary, every year this event brings about the same sort of feeling," she said. "We want our citizens to know that we know how they're feeling this time of year. We try to make ourselves more visible and alert to what's going on."

Throughout the year, state police have been cracking down on truckers who break safety rules. While the focus has been safety, Dofflemyer said that since the 2001 attacks, security has been an important part of all policing.

"After 9/11, we changed the way we do business," he said.

iduncan@baltsun.com