Joe Segale, P .E./PTP Vermont Agency of Transportation Policy, - - PowerPoint PPT Presentation

Joe Segale, P .E./PTP Vermont Agency of Transportation Policy, Planning and Research Bureau January 27, 2015

!Congestion Policy !Congestion Causes !Congestion

Mitigation Strategies

! Managing Demand ! Managing & Operating

the System

! Infrastructure

Level of Service Characteristics Delay (Seconds) Stop Sign Traffic Signal

A Little or no delay < 10 < 10 B Short delays 10.1 ‐ 15 10.1 ‐ 20 C Average delays 15.1 ‐ 25 20.1 ‐ 35 D Long delays 25.1 ‐ 35 35.1 ‐ 55 E Very long delays 35.1 ‐ 50 55.1 ‐ 80 F Extreme delays > 50 > 80

200 400 600 800 1000 1200 1400 Vehicles per Hour

VT 116 Hourly Traffic Volumes

(Between Charlotte & Mechanicsville Roads)

Weekday Weekend

Context Roadway Function Possible Peak Hour Congestion LOS Policy Access & Local Circulation Through Traffic Mobility & Speed Village More Less E or F Rural Less More C

Bottlenecks 40% Poor Traffic Signal Timing 5% Special Events 5% Traffic Incidents 25% Bad Weather 15% Work Zones 10%

Source: Federal Highway Administration

Highway Capacity

!Compact mixed land

uses

!Connected Complete

Street Network

!Pedestrian and Bicycle

Facilities

!Streetscape Design

! Traffic Signal Optimization ! Regular timing updates ! Adaptive Traffic Signals ! Access Management ! Traffic Control Officers ! Traveler Information ! Traffic Incident Management ! Work Zone Plans ! Special Event Plans

! Road network ! Upgrade existing roads ! Add new local streets ! Intersection Design

Options

! Turn lanes ! Roundabouts ! Traffic signals ! Road Segments ! Rural road pull­offs ! Turn lanes ! Widen shoulders ! Add through lanes

!Establish Congestion Policy !Manage Traffic Demand

! Support walking, biking, transit and rideshare

!Manage and Operate the System !Provide Infrastructure to Add Capacity