Waiting inside a vehicle at an expired parking meter is not exempt from citation. (This also includes idling or passenger loading.) Payment must be made to avoid violating LAMC Section 88.07.

No vehicle may be parked continuously at one location on any public roadway for more than 72 hours.

Parking is prohibited in alleys, except for the purpose of actively unloading goods or passengers.

Parking of heavy duty commercial vehicles is prohibited in residential areas, unless the vehicle is loading or unloading goods or has a service call in the immediate vicinity.

Parking of unattached semi-trailers is prohibited on any street.

Parking is prohibited in an intersection or a crosswalk, within 15 feet of a fire station driveway or fire hydrant, in front of a public or private driveway, on a sidewalk or parkway*, on the roadway side of a parked vehicle (double parking), in a bus stop, in a tunnel, upon a bridge (unless otherwise posted) or in such a manner that obstructs the free use of the street.
*Suspended under council file 11-1676

Parking is prohibited in a center median strip, unless signs are posted permitting parking on the median.

Parking is prohibited in front of a public or private driveway (even your own driveway).

Parking an unattached semi-trailer on any street is prohibited, except for semi-trailers used for carrying personal property or for recreational purposes.

Be aware of signage when you park. Read all signs, they may include time frame restrictions and other parking guidelines.

Street sweeping signs are posted in areas of the City where there is a routine street sweeping schedule. Parking is prohibited on the designated days for the entire time posted on the sign.