Sub-problem 5a - Page 4 of 7
5a: I-87 Interchange - Merges and Diverges on the Freeway
Exhibit 2-56 shows the performance of the
southbound on-ramp. The density is 26.9 pcplpm in the AM Existing
condition and 27.5 pcplpm in the AM Without/With condition.
Thereís no difference in the volumes. The LOS is C in both cases. The
adjacent ramp is the upstream southbound-to-eastbound off-ramp. You
can click here
to see the two datasets.
far, we have studied single lane ramps
with single lane upstream or downstream on- or off-ramps. The northbound
off-ramp is a bit more complex. It has a two-lane ramp, so you have to
provide a bit more input. Itís also useful to see if the two lanes are
Exhibit 2-56. I-87 Interchange Southbound On-Ramp
[ Back ] [ Continue ]
with Sub-problem 5a