50% packet loss between Steamboat Springs and Denver.

I have been seeing 50% packet loss between SteamBoat Springs and Denver since 1:30 this afternoon.

(Some of the level3 routers have their own problems.  But the comcast routers are actually causing me trouble.)
                                       Packets               Pings
 Host                                Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. SPI-router.lunarg                 0.0%  3096    0.2   0.1   0.1   1.6   0.1
 2. 10.1.10.1                         0.0%  3096    0.6   0.6   0.6   6.8   0.4
 3. 24.8.246.1                        0.0%  3096   25.4  60.1   9.0 6777. 345.1
 4. ge-2-1-sr01.steamboat.co.denver.  0.0%  3095   10.6  11.0   8.4 165.3   8.1
 5. te-0-2-0-7-ur12.denver.co.denver 49.9%  3095   16.3  17.8  15.7  49.1   3.1
 6. xe-15-0-0-0-ar01.aurora.co.denve 49.4%  3095   21.7  20.0  17.4  51.3   3.9
 7. 4.68.63.205                      49.6%  3095   19.8 386.3  18.4 4551. 834.3
 8. ae-81-3502.ear1.Dallas1.Level3.n 90.5%  3095  23968 24061 22649 24803 393.1
 9. ae-81-3502.ear1.Dallas1.Level3.n 90.9%  3095  23860 24077 22497 24792 421.2
10. Google-level3-3x10G.Dallas.Level 49.7%  3095   33.8  33.9  31.5 104.2   4.2
11. 209.85.253.217                   49.7%  3095   34.7  34.5  32.2  85.4   3.6
12. google-public-dns-b.google.com   49.7%  3095   32.9  33.7  31.6  64.7   3.1