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Regional Mobility & Accessibility Study

Alternative Transportation Scenarios - Layering on New Facilities

The study working group is also looking at what would happen if the region added packages of transportation projects to the land-use scenarios. How about including rail and other transit projects like the Purple Line in Prince George’s County or a Metrorail extension to Centreville in Fairfax County? Two transportation scenarios have been developed to date.

A network of major new transit projects includes facilities that have been planned, but not funded, by the region’s local and state governments. The package includes light rail, Metrorail, Bus Rapid Transit, and other bus improvements. This network of new rail will be combined with various land-use scenarios, including the transit-oriented development scenario, which shifts new job and household growth closer to transit station areas.

A network of HOV/HOT lanes was developed by the TPB’s Value Pricing Task Force. This network will combine new carpool lanes (high-occupancy vehicle or HOV lanes) and high occupancy/toll (HOT) lanes, a more recent innovation, which has not been tried yet in the Washington region. HOT lanes are open to lone drivers who pay a toll. Carpools use HOT lanes for free or for a discounted rate.

For additional information about the study, click on the links below:

Study Overview

Study Background

Alternative Land-Use Scenarios

Results to Date

Presentations Made at Public Forums

Program Contacts

Robert Griffiths - (202) 962-3280