ECAT Example Exercises

Transcription

1 EAT Example Exercises Exercise : Mainline Freeway Segment (Session 3) Exercise 2: Mainline Freeway Segment 2 (Session 3) Exercise 3: amp Segment (Session 3) Exercise 4: amp Terminal onfiguration (Session 3) Exercise 5: Full Interchange (Session 4)

2 Session 3 Exercise : Mainline Freeway Segment 2 P age

3 3 P age

4 Session 3 Exercise 2: Mainline Freeway Segment 2 4 P age

5 Session 3 Exercise 3: amp Segment 5 P age

6 TYPIAL SETIONS 6 P age

7 Session 3 Exercise 4: amp Terminal onfiguration A4 onfiguration Signal control ¼ mile to next intersection 800 feet between terminals rossroad o 2 median width o 4 lanes both approaches o 2 lane exit ramp approach ight turns yield No right turn bays D4 onfiguration Signal control ¼ mile to next intersection 800 feet between terminals Left turns protected o hannelized o 2 foot lanes ight turns yield o hannelized rossroad o 2 median width o 4 lanes both approaches o 2 lane exit ramp approach Exit ramp approach channelized No outisde approach right turn bay driveway on outside crossroad 7 P age

8 A4 onfiguration D4 onfiguration 8 P age

9 Session 4 Exercise 5: Full Interchange PE EONSTUTION ONFIUATION ASSUMPTIONS Design Element Dimensions/ Assumptions Mainline number of basic lanes 4 Mainline lane width 2 Mainline outside shoulder width 0 Mainline inside shoulder width 4 Mainline median width 72 lear zone 30 Mainline median barrier width 2 or 56' (segment 3) Nearest distance from edge of travelled way to median barrier face 8 Outside barrier offset from edge of shoulder 2 umble strips Not present amp right shoulder width 9 amp left shoulder width 4 Diamond ramp lane width 6 Loop ramp lane width 7.5 Average freeway traffic speed 60 MPH POST EONSTUTION ONFIUATION ASSUMPTIONS Design Element Dimensions/ Assumptions Mainline number of basic lanes 6 west end and core, 8 east end Mainline lane width 2 Mainline outside shoulder width 0 Mainline inside shoulder width 0 Mainline median width Varies, (40', 48', 52') lear zone 30 Mainline median cable barrier width Nearest distance from edge of travelled way to median barrier face 5 Nearest distance from edge of travelled way to outside shoulder barrier face 2 Outside barrier offset from edge of shoulder 2 umble strips Not present amp right shoulder width 6 amp left shoulder width 4 Diamond ramp lane width 6 2 lane ramp lane width 2 2 lane ramp right shoulder width 8 2 lane ramp left shoulder width 6 Loop ramp lane width 6 Average freeway traffic speed 60 MPH

10 BILLBOADS SIN POT Sta S S NEBASKA AVE PP-8 SIN PP POT Sta PEOIA ITY OF NEBASKA AVE S S S P P 0 P FAILITY SIN AMP NUMBE 2 AADT SALE IN FEET DI BLEAHES BLEAHES PEOIA MAINLINE AADT ON OBSTUTIONS WE POT Sta PIPE ON P Sta AMP P Sta P Sta AMP AMP 30 A M P P Sta EMETEY OVEHEAD SIN SIN OVEHEAD SIN UNIVESITY AVE DY UN EEK PEOIA OVEHEAD SIN PEOIA DY UN EEK UNIVESITY AVE PEOIA 300 P Sta POT Sta AMP BOADWAY ST EMETEY BIT TS NEBASKA ONT AVE BOX OVEHEAD SIN OVEHEAD SIN AMP 705 AMP P Sta P Sta P Sta P Sta POT Sta POT Sta U UTIL UNIVESITY AVE UNIVESITY AVE P P POT Sta POT Sta P Sta POT Sta P Sta POT Sta POT Sta P Sta N Segment Sta 5+00 to Sta Segment 2 Sta to Sta Segment 3 Sta to Sta INEASIN MILEPOST

11 MAINLINE AADT POT Sta AMP NUMBE SALE IN FEET AADT x POT Sta POT Sta P Sta P Sta P Sta P Sta P Sta AMP AMP P Sta AMP P Sta POT Sta AMP 3 7 AMP AMP 4 UNIVESITY AVE N P Sta INEASIN MILEPOST P Sta P Sta Segment Sta 5+00 to Sta Segment 2 Sta to Sta Segment 3 Sta to Sta P Sta P Sta POT Sta P Sta