However, if the service intervals are 20 minutes or longer, lines usually should be coordinated.

It currently has a service interval of 5 minutes between trains across the entire length of the line.

They operate with a service interval of three minutes.

The latest twin from the Italian bike manufacturer combines huge power with 15,000-mile service intervals.

The service interval is 30 minutes during both peak and off-peak hours.

The new engine also offers much longer service intervals, up from 4,000 to 6,000 miles.

All of the new Canter models also have an 18,000-mile service interval (oil changes/routine maintenance) as standard.

This limited some early research railguns to one shot per service interval.

The lack of moving parts compared with the mechanical system leads to greater reliability and longer service intervals.

However, service intervals vary from about seven minutes during peak times to 30 minutes on Sundays.