ambulance
care
cars
clinic
crossing
crosswalk
dark
doctor
drive
emergency
emergency response
emergency transport
emt
evening
first aid
first responder
flashing lights
gridlock
hospital
hospitalization
hospitalized
hurry
intersection
job
lights
medic
medical
medical care
night
nurse
profession
quick response
red
responder
response
right of way
road
roadway
rush
rush hour
siren
speed
street
traffic
transportation
vehicle