F ORT W ORTH D ISTRICT District 95 Town Hall, Southeast Connector Update Photo by Liam Frederick I-20, I-820 & US 287 November 8, 2018
Age genda da 1 Comments from July 2018 Public Meeting 2 Northbound Meadowbrook Entrance Ramp Alternatives 3 Southbound Brentwood Stair Entrance Ramp Alternatives 4 Craig Street and Pedestrian Bridge Alternatives 5 Project Schedule 6 Project Contact Information 7 Questions 1
Com omments fr s from om Ju July ly P Publ blic Me Meeting NB B Entran ance R Ram amp f from M m Meado adowbrook – 88 Comments SB Entran SB E ance R Ram amp f from Br m Brentwood St Stair air – 49 Comments Cr Crai aig St Street Br Bridg idge A Access ss / / Ped d Br Bridg idge – 25 Comments Noise se W Wal all St Study dy – 51 Comments 2
Ramp Spacin ing p per State a and N Natio tional al G Guid idelin ines WHY? Y? – Provide adequate distance between ramps for safe travel movements – Provide time for acceleration and deceleration GU GUIDEL ELINES ES – State TxDOT, Roadway Design Manual • – National AASHTO, A Policy on Geometric Design of Highways • and Streets TRB , Highway Capacity Manual • Source: TxDOT Roadway Design Manual , April 2018, Figure 3-37 EN ENTR TRANCE F E FOLLOWED B ED BY EXI EXIT Tip Desirable 1,500’ from tip to tip with Aux Lane* • Gore Nose Desirable 2,000’ from tip to tip without Aux Lane* • Minimum 1,500’ from nose to nose with Aux lane* • Minimum 2,000’ from nose to nose without Aux Lane* • * : used for reference and may be influenced by operations and traffic volumes. 3 3
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook Proposed Removal of Northbound I-820 Entrance Ramp from Meadowbrook Dr. I-30 Meadowbrook Dr. North WHY? Y? – Con ongesti 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 4 4
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook PROPOSED ED A ADDITIO IONA NAL ALTERNA RNATIVES ES T TO B BE EVALUATED ED – No No-Buil ild (Do Nothing) Alterna rnative – A1 A1: Removal of northbound entrance ramp from Meadowbrook Dr (as shown at Public Meeting) – A2 A2: Reconstruct northbound entrance ramp from Meadowbrook Dr and exit ramp to Brentwood Stair Rd – A3 A3: Construct braid ided r ramps ps (ramps that are bridged, one over the other) for northbound entrance from Meadowbrook Dr and exit to Brentwood Stair Rd – A4 A4: Construct northbound entrance ramp from Meadowbrook Dr and removal of the exit ramp to Brentwood Stair Rd 5
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – No No Build ld A Alt lternative North I-30 Meadowbrook Dr. Pro ros: Cons: ns: • Access remains as today Distance between ramps near minimum • spacing lengths described in TxDOT and National Guidelines Heavily congested weaving movements • 6
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – No No Build ld A Alt lternative North I-30 Meadowbrook Dr. Pro ros: Cons: ns: • Access remains as today Distance between ramps near minimum • spacing lengths described in TxDOT and National Guidelines Heavily congested weaving movements • 7
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A1 North I-30 Meadowbrook Dr. Pro ros: Cons: ns: • Eliminates existing mainlane weaving from Traffic from Meadowbrook must pass through • Meadowbrook entrance ramp reducing a signal to access mainlanes congestion and improving safety • Design meets TxDOT and National Guidelines for ramp spacing criteria 8
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A1 North I-30 Meadowbrook Dr. Pro ros: Cons: ns: • Eliminates existing mainlane weaving from Traffic from Meadowbrook must pass through • Meadowbrook entrance ramp reducing a signal to access mainlanes congestion and improving safety • Design meets TxDOT and National Guidelines for ramp spacing criteria 9
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A2 North I-30 Meadowbrook Dr. Cons: ns: 1345’ between entrance & exit ramps does not • meet minimum TxDOT and National Guidelines 865’ between exit ramp & direct connection Pro ros: • does not meet minimum TxDOT and National • Existing northbound ramps are Guidelines reconstructed to allow additional Traffic from the northbound I-820 on-ramp mainlanes capacity • from Meadowbrook wanting to continue northbound on I-820 must weave over 2 lanes in a distance of 1330’ Reduced shoulders on existing mainlanes • 10
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A2 North I-30 Meadowbrook Dr. Cons: ns: 1345’ between entrance & exit ramps does not • meet minimum TxDOT and National Guidelines 865’ between exit ramp & direct connection Pro ros: • does not meet minimum TxDOT and National • Existing northbound ramps are Guidelines reconstructed to allow additional Traffic from the northbound I-820 on-ramp mainlanes capacity • from Meadowbrook wanting to continue northbound on I-820 must weave over 2 lanes in a distance of 1330’ Reduced shoulders on existing mainlanes • 11
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A3 North I-30 Meadowbrook Dr. Exam ample o of “ “Br Braid aided Ramps” East 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 12 12
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A3 North I-30 Meadowbrook Dr. Co Cons: Traffic from northbound I-820 on-ramp from • Meadowbrook wanting to continue northbound on I-820 must weave over 1 lane in 450’ Pr Pros: 1220' ramp spacing would not meet minimum • All direct movements remain available • National Guidelines Elevated ramp near neighborhood could • increase noise levels Potential displacements of residents • Reduced shoulders on mainlanes • Normandy Road cul-de-sac • Grades on elevated ramp greater than 4% max 13 13 •
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A3 North I-30 Meadowbrook Dr. Co Cons: Traffic from northbound I-820 on-ramp from • Meadowbrook wanting to continue northbound on I-820 must weave over 1 lane in 450’ Pr Pros: 1220' ramp spacing would not meet minimum • All direct movements remain available • National Guidelines Elevated ramp near neighborhood could • increase noise levels Potential displacements of residents • Reduced shoulders on mainlanes • Normandy Road cul-de-sac • Grades on elevated ramp greater than 4% max 14 14 •
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A4 North I-30 Meadowbrook Dr. Pros: Pr Co Cons: • Ramp spacing would meet minimum TxDOT Lambeth Lane would be closed off from frontage • and National Guidelines road (cul-de-sac) • Weaving and congestion levels would Remove exit ramp to Brentwood Stair (traffic must • improve compared to the No-Build travel through signal at Meadowbrook) alternative by maintaining 4 mainlanes until Increase volume on the northbound exit ramp to • the John T. White exit ramp Meadowbrook Increase traffic volumes at the Meadowbrook • intersection Reduced shoulders on mainlanes 15 •
Northbou ound E Ent ntranc nce R Ramp f from om M Meadowbrook ook – Altern rnative A e A4 North I-30 Meadowbrook Dr. Pros: Pr Co Cons: • Ramp spacing would meet minimum TxDOT Lambeth Lane would be closed off from frontage • and National Guidelines road (cul-de-sac) • Weaving and congestion levels would Remove exit ramp to Brentwood Stair (traffic must • improve compared to the No-Build travel through signal at Meadowbrook) alternative by maintaining 4 mainlanes until Increase volume on the northbound exit ramp to • the John T. White exit ramp Meadowbrook Increase traffic volumes at the Meadowbrook • intersection Reduced shoulders on mainlanes 16 •
Sout outhbou ound E Ent ntrance R Ramp f from Brent ntwoo ood Stair Proposed Removal of Southbound I-820 Entrance Ramp from Brentwood Stair Rd. Craig St. Meadowbrook Dr. North WHY? Y? – Con ongesti 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 17
Recommend
More recommend
