characteristics

walking distance between not connected stations

city : 6 minutes.

about 400 meter (around 1/4 mi) for a local-stop service, and about 1000m (around 3/5 mi) for a very fast, frequent, and reliable rapid transit service.

http://www.humantransit.org/2010/11/san-francisco-a-rational-stop-spacing-plan.html

travel distance between stations :

city : 2 minutes , 100 - 800 meter -- where the upper distance is 2 x max walk distance

outer city : 4-6 minutes (own experience), up to 2000 meter?. -- 2 x walking distance (see below)

speed tram

city maximum : 50 km\h

city average : 35 km\h