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![](https://static.wixstatic.com/media/94874d_86ebdd5cadb745338b46af5b683dcfca~mv2.jpg/v1/fill/w_1920,h_1080,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/94874d_86ebdd5cadb745338b46af5b683dcfca~mv2.jpg)
![ITD_logo_US-90-SH--41-MOBILE.png](https://static.wixstatic.com/media/94874d_3d0e1127f7ed43dbaa554a7e6fbc69f5~mv2.png/v1/fill/w_32,h_31,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/ITD_logo_US-90-SH--41-MOBILE.png)
![ITD_logo_US-90-SH--41-Online-white-wide.png](https://static.wixstatic.com/media/94874d_14e70dce5bcb46be9e60b704dc104467~mv2.png/v1/fill/w_750,h_140,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/ITD_logo_US-90-SH--41-Online-white-wide.png)
COLLECTOR-DISTRIBUTOR ROADS
Benefits
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Improve safety by reducing I-90 mainline merging and weaving conflicts
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Maintain consistent traffic flow and speeds on I-90 mainline
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Reduce the number of I-90 exit/entrance points while meeting the demand for access to and from the interstate
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Allow for closely spaced interchanges to function safely and effectively for local and regional traffic
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Enable vehicles to accelerate/decelerate to appropriate speeds before entering/exiting I-90 mainline
![Typical cross section of the proposed design for eastbound and westbound collector-distributor roads on both sides of I-90 between US-95 and 4th Street](https://static.wixstatic.com/media/94874d_761da320e69242db83379641bec3bee1~mv2.png/v1/fill/w_730,h_204,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/ITD-I-90_Typicals_CD%203.png)
Open PDF to see detailed view of collector-distributor cross section
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