I'll begin, and then I'll turn it over to my colleague.
First of all, I think Greg, in his opening remarks, pointed out that there are billions spent by the railways. In fact, if you go back to, I think, 1999, there's been 33 billion dollars' worth of investments put back into the rail infrastructure directly by CN and CP. This is a significant capital investment made year over year by the railways back into their infrastructure, rolling stock and equipment. It's all with the aim of ensuring the safety, efficiency and fluidity of the network.
All these investments have certainly paid dividends, but there's more that could be done. That's why we've advocated for the federal government to provide more support to municipalities and private landowners when it comes to the new grade crossings regulations that are going to come into effect. Those are significant investments. We believe the rail safety improvement program, RSIP, is one way there could be additional funds—