What is it?
a tunnel
What is it?
a coach (bus)
What is it?
a speed limit sign
What is it?
roadwork(s)
What is it?
road sign
What is it?
a motorway (highway)
What is it?
a ferry
What is it?
an airport
What is it?
a port
What is it?
a canal
What is it?
a traffic jam
What is it?
a railway