ST9904-CS 981102 Major
Investment Study
Technical Committee Meeting 3
City of Grapevine City Hall
200 South Main Street
Grapevine, Texas
Topic
Opening Comments
Traffic Modeling Discussion
Phase 1 Evaluation
Preliminary Alternatives
Committee Discussion
Schedule of Upcoming Events
Adjourn
AGENDA
November 2, 1998
10:00 AM
.Schedule
10 m~n
20 m~n
10 m~n
10 m~n
30 m~n
10 m~n
Phase 1 Screening Evaluation
Alternative Modes of Transportation
A. Cimulation Bus Mobility- · Only 20% of corridor traffic would be eligible for
Does not significantly circulator bus w/a maximum 2% impact on the
reduce congestion in corridor.
corridor. · Circulator buses would be required to travel in
corridor w/general purpose traffic resulting in
little benefit.
· No transit provider
B. Express Bus Mobility- · No transit provider
Does not significantly · Express Bus requires additional facilities along
reduce congestion in corridor (Park & Ride & separate lanes),
corridor, resulting in excessive cost w/respect to trips
reduced
· Express buses would be required to travel in
corridor w/general-purpose traffic resulting in
little benefit.
· Express Bus has no centralized origins or
destinations that would result in significant
ridership.
· Special Events Busing does not reduce peak
period congestion in corridor.
C. Commuter Rail Mobility- · Mobility 2020 indicates that rail does not
Does not significantly adequately address congestion in this corridor.
reduce congestion in · No high-density commercial/residential links that
corridor, would significantly reduce congestion.
· Future rail element will be considered separately
with respect to other corridors and regional
benefits.
Existin~l SH 114/SH 121 Up~lrade Options
D. Transportation System Mobility - · 80% of traffic is pass-through & unaffected by
Management (TSM) Does not significantly localized TSM improvements. Even w/an
reduce congestion in aggressive TSM Program only a 5% increase in
corridor, corridor capacity would be expected.
· Bottleneck improvements have already been
implemented.
E. Transportation Demand Mobility- · Some TDM improvements are in baseline model
Management (TDM) Does not significantly representing a 5% regional reduction.
reduce congestion in · Mobility 2020 indicates that TDM does not
corridor, adequately address congest[on in corridor.
· The corridor would require a 40% reduction
regionally to accommodate 2020 traffic.
Typically a max. of 8% is attributed to TDM
elements.
Freewa~//HOV/Express Lanes Outside SH 114/SH 121 Corridor Options
2A. Connecting SH 114 west of Engineering - · Divides the City of Grapevine
the City of Grapevine going Significant Right-of-Way · Approx. 60 displacements
north of the city and turning ~mpacts, · Significant environmental impacts w/numerous
southeast to connect to SH 114 Environmental - stream crossings.
on the east side of the city, Significant environmental · Local Opposition
impacts · Orphans property
· Significant ROW needed
· Reduces access to adjacent properties
2B. Connecting SH 114 west of Engineering - · Divides the City of Grapevine
the City of Grapevine along Significant Right-of-Way · Significant displacements due to exist.
Business SH 114 and turning impacts. Development.
southeast to connect to SH 114 Environmental - · Local opposition
on the east side of the city. Significant environmental · Potential historic impacts
~mpacts · Reduces access to adjacent properties
· Orphans property
· Significant ROW needed
2C. Connecting SH 114 west of Engineering - · Divides the City of Grapewne
the City of Grapevine going Significant Right-of-Way · Approx. 60 displacements
north of the city and turning ~mpacts. · Significant environmental impacts w/numerous
southeast then northeast to Environmental - stream crossings.
connect to IH 635 on the east Significant environmental · Need 100k trip reduction, this would only provide
side of the city. ~mpacts 25k reduction.
Mobility- * Local Opposition
Does not significantly · Significant ROW needed
reduce congestion in
· Orphans property
corridor.
· Reduces access to adjacent properties
3A. Connecting SH 121 Engineering - * Complex interchange @ SH121/FM2499/SH26
southwest of the City of Significant Right-of-Way * Impacts to Grapevine Mills Mall
Grapevine along the existing impacts. · Reduces access to adjacent properties
corridor until Main Street where Environmental - · 40 residential displacements
it turns northeasterly to connect Significant environmental · Divides the City of Grapevine
to SH 121 north of the IH 635 impacts · Orphans property.
interchange. * Significant ROW needed
· Local Opposition
3B. Connecting SH 121 Engineering - · Complex interchange @ SH121/FM2499/SH26
southwest of the City of Significant Right-of-Way · Impacts to Grapevine Mills Mall
Grapevine along the existing impacts. · Reduces access to adjacent properties
corridor until Main Street where Environmental - · 40 residential displacements
it turns northeasterly to connect Significant environmental · Divides the City of Grapevine
to IH 635. impacts * Need 100k trip reduction this would provide 5k
Mobility - reduction
Does not significantly · Local Opposition
reduce congestion in Orphans property.
corridor.
· Significant ROW needed
4A. Connecting SH 121 Engineering - · Complex interchange @ SH121 & FM2499
southwest of the City of Significant Right-of-Way · Reduces access to adjacent properties
Grapevine along the existing impacts. · Impacts to Grapevine Mills Mall
corridor until Main Street where nvironmental- · Orphans property
it parallels (south) the existing Significant environmental · Divides the City of Grapevine
corridor before turning impacts · Local Opposition
northeasterly after Loop 382 to
· Significant ROW needed
connect to SH 121 north of the
IH 635 interchan~le.
4B. Connecting SH 121 Engineering- · Complex interchange @ SH121 & FM2499
southwest of the City of Significant Right-of-Way · Reduces access to adjacent properties
Grapevine along the existing ~mpacts. · Impacts to Grapevine Mills Mall
corridor until Main Street where Environmental - · Orphans property
it parallels (south) the existing Significant environmental · Need 100k trip reduction only provides 5k.
corridor before turning ~mpacts · Divides the City of Grapevine
northeasterly after Loop 382 to Mobility -
connect to IH 635. Does not significantly
reduce congestion in
corridor.
6. Connecting SH 114 west of Engineering - ° Need 100k trip reduction only provides 28k.
the City of Grapevine north of Significant Right-of-Way ° Length of travel Is significantly longer
Lake Grapevine to connect to ~mpacts. · Interchange @ FM 2499 & IH635 would be
SH 121 at the intersection of FM Environmental - extremely complex.
2499 and SH 121. Significant environmental · Local Opposition
~mpacts · Significant environmental impacts w/numerous
Mobility- stream crossings.
Does not significantly · Significant ROW needed
reduce congestion in
corridor.
7. Connecting SH 121 Engineering - ° Not consistent w/DFW expansion plans.
southwest of the City of Significant Right-of-Way ° Complex interchange @ 360/121 & add.
Grapevine to SH 114 east of the ~mpacts. Interchange @ international pkwy as well as SH
city through the northern portion . Environmental - 114
of DFW airport. Significant environmental ° Airway/highwayclearance concerns
impacts · Orphans property
Mobility- ° Not a major movement, need 100k trip
Does not significantly reduction, would only provide 10k
reduce congestion in
corridor.
8. Use Cottonbelt corridor for Engineering - ° Complex interchange @ SH114 west of city
alignment to move IH 635 Traffic Significant Right-of-Way ° Reduces access to adjacent properties
to the west through the City of impacts. · Significant ROW needed
Grapevine. Environmental - · Significant displacements
Significant environmental ° Divides the City of Grapevine
impacts - Not major movement, need 100k trip reduction,
Mobility - would provide 6k reduction
Does not significantly ° Local Opposition
reduce congestion in
corridor.