bottleneck
bumper
busy
california
car
carpool
city
clogged
commute
congestion
crawl
crowded
dawn
drive
dusk
freeway
frustration
fuel
gasoline
headache
headlight
highway
hour
jam
lights
line
los angeles
night
nightmare
population
rush
rushhour
shadows
silhouette
slow
slowdown
stopped
stress
sun
sunlight
sunrise
sunset
traffic
transit
transportation
travel
truck
urban
vehicles