Photo by Liam Frederick
Technical Work Group Meeting, Southeast Connector Update
I-20, I-820 & US 287 February 21, 2019
TECHNICAL W WORK RK GR GROUP M MEETING NO. 3 . 3 | February 2 21, 2019 19
Technical Work Group Meeting, Southeast Connector Update Photo by - - PowerPoint PPT Presentation
Technical Work Group Meeting, Southeast Connector Update Photo by Liam Frederick I-20, I-820 & US 287 February 21, 2019 TECHNICAL W WORK RK GR GROUP M MEETING NO. 3 . 3 | February 2 21, 2019 19 Age genda da 1 Introductions 2
Photo by Liam Frederick
TECHNICAL W WORK RK GR GROUP M MEETING NO. 3 . 3 | February 2 21, 2019 19
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Technical Work Group Meeting No. 3 February 21, 2019
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Technical Work Group Meeting No. 3 February 21, 2019
Technical Work Group Meeting No. 3 February 21, 2019
NB B Entran ance R Ram amp f from M m Meado adowbrook SB E SB Entran ance R Ram amp f from Br m Brentwood St Stair air Noise se W Wal all St Study dy Cr Crai aig St Street Br Bridg idge A Access ss / / Ped d Br Bridg idge
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Technical Work Group Meeting No. 3 February 21, 2019
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Technical Work Group Meeting No. 3 February 21, 2019
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Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
North
Proposed Removal of Northbound I-820 Entrance Ramp from Meadowbrook Dr.
Meadowbrook Dr. I-30 6
WHY? Y? – Con
tion a and Sa Safety – Conflicts with Exit to Brentwood Stair and I-30 Direct Connections causing heavily congested weaving movements and accidents – Distance between ramps near minimum spacing lengths described in roadway design guidelines
Technical Work Group Meeting No. 3 February 21, 2019
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Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
Technical Work Group Meeting No. 3 February 21, 2019
Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
No Build ld A Alt lternative
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North
Meadowbrook Dr. I-30
Pro ros:
Cons: ns:
spacing lengths described in TxDOT and National Guidelines
Technical Work Group Meeting No. 3 February 21, 2019
Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
rnative A e A1
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North
I-30
Pro ros:
Meadowbrook entrance ramp reducing congestion and improving safety
Guidelines for ramp spacing criteria Cons: ns:
a signal to access mainlanes
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
rnative A e A2
10 I-30
Pro ros:
reconstructed to allow additional mainlanes capacity Cons: ns:
meet minimum TxDOT and National Guidelines
does not meet minimum TxDOT and National Guidelines
from Meadowbrook wanting to continue northbound on I-820 must weave over 2 lanes in a distance of 1330’
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
rnative A e A3
11 11 I-30
Exam ample o
“Br Braid aided Ramps”
stbound I I-30 30 exit t to N Nola lan Ryan Exp xpwy wy/B /Baird F Farm rm Rd Rd/ / AT&T &T W Way in Arlington
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
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Pr Pros:
I-30
North
Meadowbrook Dr.
Co Cons:
Meadowbrook wanting to continue northbound
National Guidelines
increase noise levels
Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
rnative A e A3
Technical Work Group Meeting No. 3 February 21, 2019
Northbou
Ent ntranc nce R Ramp f from
Meadowbrook
rnative A e A4
13 I-30
Pr Pros:
and National Guidelines
improve compared to the No-Build alternative by maintaining 4 mainlanes until the John T. White exit ramp Co Cons:
road (cul-de-sac)
travel through signal at Meadowbrook)
Meadowbrook
intersection
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
Proposed Removal of Southbound I-820 Entrance Ramp from Brentwood Stair Rd.
North
WHY? Y? – Con
tion a and Sa Safety – Conflicts with I-30 Direct Connections and Exit Ramp to Meadowbrook Dr causing heavily congested weaving movements – Distance between ramps near minimum spacing lengths described in roadway design guidelines
Sout
Ent ntrance R Ramp f from Brent ntwoo
Meadowbrook Dr. Craig St. 14
Technical Work Group Meeting No. 3 February 21, 2019
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Sout
Ent ntrance R Ramp f from Brent ntwoo
Technical Work Group Meeting No. 3 February 21, 2019
16 I-30
Pro ros:
Cons: ns:
spacing lengths described in TxDOT and National Guidelines
Sout
Ent ntrance R Ramp f from Brent ntwoo
No Build ld A Alt lternative
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
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Sout
Ent ntrance R Ramp f from Brent ntwoo
rnat ativ ive B B1
Co Cons:
signal to enter mainlanes
Meadowbrook exit and existing I-30 connections is less than the distance between the existing southbound Meadowbrook exit and I-30 connections
Based o
input f from
Town n Hall Meetings, N Not Recommen ended ded for F r Further er Ev Eval aluation
I-30
Pr Pros:
Brentwood Stair entrance ramp reducing congestion and improving safety
ramp spacing criteria
provides for additional storage or queueing of vehicles from intersection
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
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Sout
Ent ntrance R Ramp f from Brent ntwoo
rnat ativ ive B B2
I-30
Exam ample o
“Br Braid aided Ramps”
stbound I I-30 30 exit t to N Nola lan Ryan Exp xpwy wy/B /Baird F Farm rm Rd Rd/ / AT&T &T W Way in Arlington
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
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Sout
Ent ntrance R Ramp f from Brent ntwoo
rnat ativ ive B B2
Pr Pros:
I-30
North
Meadowbrook Dr.
Co Cons:
connectors & exit to Meadowbrook
National Guidelines
access to property #918) is removed—access maintained via Brentwood Stair
that should be used by TxDOT guidelines
Technical Work Group Meeting No. 3 February 21, 2019
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Sout
Ent ntrance R Ramp f from Brent ntwoo
rnat ativ ive B B3
I-30
Exam ample o
“By Bypas ass F Frontag tage Road L Lane ne”
Northbo bound U US 75 at Leg Legacy D Dr in in Pl Plano ano
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
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Sout
Ent ntrance R Ramp f from Brent ntwoo
rnat ativ ive B B3
Co Cons:
frontage road bypass undesirable
bypass
recommended access control at exit ramp criteria Pr Pros:
bypass Meadowbrook signal
and National Guidelines
provides for additional storage or queueing
I-30
North
Meadowbrook Dr.
Technical Work Group Meeting No. 3 February 21, 2019
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Sout
Ent ntrance R Ramp f from Brent ntwoo
rnat ativ ive B B4
Co Cons:
Guidelines
vehicle storage from signal
properties #507 and #508-A from the Meadowbrook exit ramp
access to property #918 is removed—access maintained via Brentwood Stair Road
I-30
North
Meadowbrook Dr.
Pr Pros:
to allow additional mainlane capacity
Technical Work Group Meeting No. 3 February 21, 2019
– Existing Craig Street bridge has narrow sidewalks
Craig aig Street B Brid idge A Access / / Pedestr trian ian B Brid idge
23 Image from Google.com street view Looking West on Craig Street
Technical Work Group Meeting No. 3 February 21, 2019
– Proposed Craig Street bridge would be wider with shared use lanes (cars and bikes) and wide sidewalks
Craig aig Street B Brid idge A Access / / Pedestr trian ian B Brid idge
Proposed Craig St. Bridge: 1 shared use lane in each direction with Wide Sidewalks / Paths (see typical section below)
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Craig St.
Technical Work Group Meeting No. 3 February 21, 2019
– Existing pedestrian bridge to be removed because of vertical clearance/height conflicts – Potential conflicts with overhead/high mast power lines – Potential pedestrian bridge meeting American with Disability Act (ADA) requirements expected to be very long and high over roadway
Craig aig Street B Brid idge A Access / / Pedestr trian ian B Brid idge
Image from Google.com street view Looking South on I-820 25 Power lines Pedestrian Bridge
Technical Work Group Meeting No. 3 February 21, 2019
Existing Pedestrian Bridge to be removed
North
Craig aig S Street t Brid idge A Access / Pedestrian ian B Brid idge – Altern rnative P Presen sented a ed at P Public Meet eting
Proposed Craig St. Bridge
Meadowbrook Dr.
Craig St. 26
Cons: ns:
Bridge Pro ros:
and shared use lanes for bikes
Technical Work Group Meeting No. 3 February 21, 2019
Existing Pedestrian Bridge to be removed
Craig aig S Street t Brid idge A Access / Pedestrian ian B Brid idge – Altern rnativ ative P Pedestr trian ian B Brid idge Concept
Proposed Pedestrian Bridge
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Pro ros:
Co Cons:
be relocated much higher to avoid new pedestrian bridge
(cul-de-sac)
meet ADA grades adds to travel length
Technical Work Group Meeting No. 3 February 21, 2019
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Technical Work Group Meeting No. 3 February 21, 2019
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Technical Work Group Meeting No. 3 February 21, 2019
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Technical Work Group Meeting No. 3 February 21, 2019
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Technical Work Group Meeting No. 3 February 21, 2019
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Technical Work Group Meeting No. 3 February 21, 2019
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