The top transportation policy writers in the Senate said they would introduce a six-year transportation bill May 12 and scheduled the bill’s committee consideration for May 15, more than two weeks after the Obama administration unveiled its four-year proposal.

The top transportation authorizer in the Senate said she would unveil a long-term transportation bill May 8, responding to concerns raised by industry and government officials over a dwindling federal highway account that supports infrastructure projects.

Transportation Secretary Anthony Foxx will make his first congressional appearance next week since unveiling a four-year, $302 billion transportation proposal this week, in an effort to press lawmakers to advance a transportation bill this year.

The American Transportation Research Institute issued a technical memorandum criticizing a study by the Federal Motor Carrier Safety Administration that endorsed the agency’s new restart provision of hours of service that took effect in July.

Transportation Secretary Anthony Foxx warned that gridlock in Congress threatens critical infrastructure projects around Louisville, Ky., and Nashville, Tenn., two of the cities he visited this week on an eight-state bus tour.

The American Transportation Research Institute launched two online surveys targeting commercial truck drivers’ input on critical operational issues.

Congress will not pass a new transportation bill, nor will it address the long-term funding crisis undermining the nation’s infrastructure, former Transportation Secretary Ray LaHood said.