mr. reyes. the public is definitely perplexed at this question. >> as i stated in my opening on december 27 -- sent a letter expressing her concern the implementation of ptc and the urgency that a get done. we met with 41 railroad's, 30 commuters, seven class 1 railroad's and as well as and track and what we are finding is that the issues are that there's a limited number of suppliers and vendors and class 1 and many of the commuter railroad san vendors. there are also issues with liability and the railroads are installing 100% of their equipment as they are doing revenue service demonstrations. they are finding it takes a while to work out the problems with the software. that is a problem. there has not been, there have not been many commuter railroad's where money is really the issue. my agency, fra and the federal transit administration have issued about $2.3 billion in loans and grants for the railroad's to implement. it seems to have more to do with technical issues as well as negotiating