Street signs are boring. They pepper the landscape and add just a little bit more monotony to our lives. Thankfully, some homegrown artists and fans of culture jamming decided to mix it up a bit, and add some spice to an otherwise dull aspect of our daily commute.

(Images via cityspk, relatedtodesign, woostercollective, failblog)

What's more fun than deer crossing signs? Monster crossing signs. Deer with wings. Dinosaurs. Take your pick, and some artist out there has had fun tweaking this old favorite into something a bit more exciting.

(Images via weburbanist, woostercollective, visualize, three-colours)

These are some of the most creative sign changes around. With tons of creativity, and equal skill, these signs will force anyone into a doubletake.

(Images via senseslost, zocom, interbent)

There have been an increasing number of news stories about electronic construction signs being hacked by mischievous hoodlums. While it may not be in the best interest for the state, it certainly makes the highway trek a bit more interesting.

(Images via pointingandgiggling, hiddeninasnapshot, radioiowa, conceptualdestiny)

One of the dangers of putting up street signs with simple text, is that they can be manipulated. "Stop war" seems to be a favorite, but some culture jammers have a bit more creativity, and a love of wizards.

(Images via woostercollective, photobucket)

It's easy to bring one's favorite childhood stories to life by adding a few elements to signs that would otherwise go unnoticed. Extra points for making the sign seem like it was always meant to be that way.

(Images via visualize, visualize, whybird, inhabitat)

Anything can be adjusted! Adding one's own spin to street signs, or "finishing" road paint jobs that could use an update is a public service. Culture jamming is fun for the whole family.

(Images via keepingitrad, woostercollective, trendhunter, keepingitrad)

Who knew "do not enter" signs had such potential for awesomeness? Some people saw it, as these signs are covered with excellent graffiti.