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Skip-stop
Skip-stop is a public transit service pattern which reduces travel times and increases capacity by having vehicles skip certain stops along a route. Originating in rapid transit systems, skip-stop may be also used in light rail and bus systems.
"Skip-stop" is also used to describe elevators that stop at alternating floors and hence also used to describe building designs that exploit this design and avoid corridors on alternating floors.
Skip-stop service is one solution to increasing train speed at minimal cost. In rapid transit systems in the United States, stations tend to be close together (approximately 800 metres (2,600 ft) in 1976), and so trains struggle to reach high speeds. The New York City Subway for example, the slowest in the United States, travels at an average speed of 17.4 miles per hour (28.0 km/h). Trains on the same track cannot pass each other like buses can, and so to increase speed, changes can only be made in terms of headway, or in which stations are served.
Skipping stations increases the average speed of trains, thus making journeys quicker and more appealing to commuters. There are certain drawbacks: for certain commuters skip-stop may actually increase journey times, and using the system may be more confusing. A long-term alternative is to build dedicated express tracks, however this comes at considerable cost and is rarely justified.
Analysis suggests that skip-stop operation is most appropriate for long rail lines, with many stations close together, operating with short headways, since the benefits disappear when any one of these is not met.
The Cleveland Railway, Cleveland's streetcar operator implemented a skip-stop scheme under its new commissioner, Peter Witt in 1910. The scheme was more successful than an earlier attempt to implement skip-stop service in the city.
The Chicago Transit Authority initiated skip-stop service in 1948 as a means of speeding up old trains it inherited when it took over from private operators. The first skip-stop service was run on April 5 of that year on the Lake Street line with the North-South (Howard-Englewood/Jackson Park) and Ravenswood lines beginning skip-stop service on August 1 of the following year.
When skip stops are used in rail transit, the transit operator designates stations as either major or minor, typically by ridership. Usually, all vehicles stop at the major stations, but only some vehicles stop at the minor ones.
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Skip-stop
Skip-stop is a public transit service pattern which reduces travel times and increases capacity by having vehicles skip certain stops along a route. Originating in rapid transit systems, skip-stop may be also used in light rail and bus systems.
"Skip-stop" is also used to describe elevators that stop at alternating floors and hence also used to describe building designs that exploit this design and avoid corridors on alternating floors.
Skip-stop service is one solution to increasing train speed at minimal cost. In rapid transit systems in the United States, stations tend to be close together (approximately 800 metres (2,600 ft) in 1976), and so trains struggle to reach high speeds. The New York City Subway for example, the slowest in the United States, travels at an average speed of 17.4 miles per hour (28.0 km/h). Trains on the same track cannot pass each other like buses can, and so to increase speed, changes can only be made in terms of headway, or in which stations are served.
Skipping stations increases the average speed of trains, thus making journeys quicker and more appealing to commuters. There are certain drawbacks: for certain commuters skip-stop may actually increase journey times, and using the system may be more confusing. A long-term alternative is to build dedicated express tracks, however this comes at considerable cost and is rarely justified.
Analysis suggests that skip-stop operation is most appropriate for long rail lines, with many stations close together, operating with short headways, since the benefits disappear when any one of these is not met.
The Cleveland Railway, Cleveland's streetcar operator implemented a skip-stop scheme under its new commissioner, Peter Witt in 1910. The scheme was more successful than an earlier attempt to implement skip-stop service in the city.
The Chicago Transit Authority initiated skip-stop service in 1948 as a means of speeding up old trains it inherited when it took over from private operators. The first skip-stop service was run on April 5 of that year on the Lake Street line with the North-South (Howard-Englewood/Jackson Park) and Ravenswood lines beginning skip-stop service on August 1 of the following year.
When skip stops are used in rail transit, the transit operator designates stations as either major or minor, typically by ridership. Usually, all vehicles stop at the major stations, but only some vehicles stop at the minor ones.