The hotline can now accept complaints about noise and illegal parking by the buses, officials said.
Customers have been avoiding two businesses because of a lack of parking, employees said.
Fung Wah's owner has decided to close the business, according to Councilwoman Margaret Chin's office.
The company agreed to wait until the planned DOT work was completed near the Manhattan Bridge.
New safeguards include a new electronic logging system and increased safety checks.
Intercity buses have made life "unbearable" for a resident whose window faces an Allen Street stop.
The Chinatown bus company, known for its $15 Boston-to-New York route, is allowed to operate again.
State and local authorities seized more than 70 guns during the months-long investigation, they said.
The 7th Precinct has issued 90 tickets to bus operators, said Capt. Timothy Wilson.
The Chinatown bus operator wants a new license after it was shut down for safety violations in 2013.
A spokeswoman for the bus company said the expansion comes after "many, many requests to go to D.C."
One driver said he would continue to operate despite repeated $2,000 fines.
Long-distance bus companies risk fines as high as $2,500 for breaking rules established a year ago.
Community Board 3 will consider a temporary moratorium on new intercity bus stops on Canal Street.
Community Board 3's transportation committee will review two bus stop applications June 12.
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