How cold is it? Cold enough for Metro’s tracks to crack.

Metrorail customers over the next few days should bank on their rides taking a bit longer than normal. Once again, temperatures high 90s or more mean that trains running along outdoor tracks could have their speeds limited by the heat.

If it feels like Metro is being extra sluggish this afternoon, it’s because it really might be—orders were giving today for trains to travel no faster than 35 mph on above-ground segments if the tracks get too hot.