Life Goes On

All Eyez on Me 2Pac
2pac says to tell his people he's a rida(he's down for watever) he's a outlaw. He says "nobody cries when we die, we outlawz let me ride" basically let him go in peace because life goes on
Kato and Mental were his friends that died and Tupac is saying that they rest in peace
a street in an urban neighborhood has been personified. since there are a lot of bad influences who can tempt you to do the wrong thing or get into trouble (or even kill you), it's easy to live a life of crime (or die).
What he is saying is that someone has been convicted of a crime and the judge has given a sentence of 25 years to life in prison. The "L" represents life in the judicial vernacular.
Locs are a brand of sunglasses and weed is slang for marijuana. In this case he has his sunglasses on and has smoked (blazed) some marijuana