But all that said, we didn't necessarily see a big shift in that dynamic during the quarter.Yeah. The combination of strong operational cash flow generation and Aveda asset sales helped us generate $73 million in free cash flow during the period.Looking over the fullness of the last 12 months, we've generated $175 million of free cash flow. And I think it's important to understand too, Daseke is a little different in terms of the composition of the assets. Adjusted EBITDA in the second quarter of 2020 was $43.7 million compared to $46.0 million in the year-ago quarter. While our volumes held up well for the first 11 weeks of the quarter, the depressed rate environment and pandemic-related slowing in a few of our end markets at the end of March pressured our top-line results.
We will remain nimble while safely supporting our customers and communities. As of June 30th, Daseke had $157.3 million in cash and liquidity of $239.9 million, inclusive of the available borrowing capacity on the revolver, which still remains undrawn. But as Chris mentioned, and as you can see on the right-hand side of the slide, revenue was only down 13%, excluding Aveda. And we've been having lots of conversations with people because I think it's important to understand what's going on out there and where there might be opportunities.But I think because of the work that's been done over the last year, we're in a position where we don't really have to do anything, right? And if you could just provide the general health of the specialized competitive landscape?Yeah. Mit dieser Technologie werden Goldfunde zum Kinderspiel! And you have these puts and takes that Chris was just talking about. (iii) income taxes, (iv) acquisition-related transaction expenses (including due diligence costs, legal, accounting and other advisory fees and costs, retention and severance payments and financing We're down to about 60% for this quarter. AMEX +20 Min. “We started the year with strong momentum as we executed against our operational improvement plans, which includes the goal of ensuring resilience in our business regardless of broader market dynamics.
So the people who own the trucks and own the assets, at the end of the day when things get tightened, there's concerned about capacity, you're going to see some of these bigger guys that are going to -- in terms of shippers, are going to look toward those who have assets. And I think in our mid-quarter update, we talked about five of the previous six weeks had sequentially improved each week.And the only exception to that was actually Memorial Day weekend, right? The Company’s board of directors and executive management team use net debt to help assess the Company’s liquidity and evaluate and plan for future liquidity needs. We have several operating companies that operate at sub-90% operating ratios today.
I think it's probably safe to say, we haven't built out our full kind of capex -- replacement capex plans. We are not being shortsighted about investing in our fleet either, evidenced by the fact we have lowered our average truck age to 3.4 years from 3.8 years at the start of this year.Finally, we are focused on increasing the utilization of all of our assets, which is particularly important in areas of our business that are more commodity driven, like our flatbed solutions.
And some of them might have between a couple of helps, like maybe there're some governmental help, I think, in some cases, that are helping some of these folks get through it.